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Bridge Statistics for Delmont, South Dakota (SD)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 12Number of bridges
  • 49ft / 14.9mTotal length
  • $1,092,000Total costs
  • 2,444Total average daily traffic
  • 249Total average daily truck traffic
  • 3,070Total future (year 2032) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Delmont
  • No street view available for this location

New bridges in Delmont, SD - historical statistics
  • New bridges - historical statistics
  • 11910-1919
  • 11920-1929
  • 11940-1949
  • 21960-1969
  • 21970-1979
  • 31980-1989
  • 22000-2009
Average Bridge Truck Traffic in Delmont, SD
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 62.5%Good
  • 37.5%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 25.0%Very good
  • 12.5%Good
  • 37.5%Satisfactory
  • 12.5%Fair
  • 12.5%Poor
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 25.0%Good
  • 50.0%Satisfactory
  • 12.5%Fair
  • 12.5%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 16.7%Excellent
  • 33.3%Very good
  • 25.0%Good
  • 25.0%Satisfactory
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 75.0%Very good
  • 25.0%Good
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Structure Number: 22240144,  Location: 1.8S,6.0E OF ARMOUR (Lat: 43.290006,  Lng: -98.227106),  Route carried "on" structure: County highway ,  Year Built: 2003,  Status: Open,  Structure Length: 0.69m (2.26ft),  Average Daily Traffic: 35 (year 2019),  Truck Traffic: 3%,  Average Future Daily Traffic: 40 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: CK,  Facility Carried by Structure: 28240 398 AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.4m (11.2ft)

Condition: Channel: Excellent,  Culverts: Very good,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 89.8 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: August 2021
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Structure Number: 22240175,  Location: 1.5S,3.0W OF DELMONT (Lat: 43.247897,  Lng: -98.227300),  Route carried "on" structure: County highway ,  Year Built: 1984,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 45 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 45 (year 2032),  Design Load: HS 20,  Features Intersected: CK,  Facility Carried by Structure: 28550 398 AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.5m (44.3ft),  Curb-To-Curb Width: 8.0m (26.2ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.96m (12.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $17,000,  Roadway Improvement Cost: $5,000,  Total Project Cost: $25,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 2224116,  Location: 2.9 W. OF DELMONT (Lat: 43.268053,  Lng: -98.224664),  Route carried "on" structure: County highway ,  Year Built: 2009,  Status: Open,  Structure Length: 1.18m (3.87ft),  Average Daily Traffic: 330 (year 2019),  Truck Traffic: 3%,  Average Future Daily Traffic: 330 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: CK,  Facility Carried by Structure: 39810 284 ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Excellent,  Culverts: Very good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021
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Structure Number: 2225612,  Location: 7.6 E. OF ARMOUR (Lat: 43.326325,  Lng: -98.197631),  Route carried "on" structure: County highway ,  Year Built: 1976,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 206 (year 2019),  Truck Traffic: 3%,  Average Future Daily Traffic: 206 (year 2032),  Design Load: HS 20,  Features Intersected: CK,  Facility Carried by Structure: 39060 280 ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 9.7m (31.8ft),  Out-to-Out Width: 9.7m (31.8ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.96m (12.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $17,000,  Roadway Improvement Cost: $5,000,  Total Project Cost: $25,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 22270167,  Location: 0.5W 0.7S DELMONT (Lat: 43.256622,  Lng: -98.168650),  Route carried "on" structure: County highway ,  Year Built: 1940,  Status: Open,  Structure Length: 0.97m (3.18ft),  Average Daily Traffic: 424 (year 2019),  Truck Traffic: 3%,  Average Future Daily Traffic: 424 (year 2032),  Features Intersected: CK,  Facility Carried by Structure: 28470 401 AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.96m (12.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $17,000,  Roadway Improvement Cost: $5,000,  Total Project Cost: $25,000,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 22280161,  Location: 0.1S OF DELMONT (Lat: 43.267514,  Lng: -98.149075),  Route carried "on" structure: County highway ,  Year Built: 1982,  Status: Open,  Structure Length: 0.80m (2.62ft),  Average Daily Traffic: 77 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 77 (year 2032),  Design Load: HS 20,  Features Intersected: CK,  Facility Carried by Structure: 28410 402 AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 2.4m (7.9ft)

Condition: Channel: Satisfactory,  Culverts: Very good,  Operating Rating: 41.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 24.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.96m (12.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $17,000,  Roadway Improvement Cost: $5,000,  Total Project Cost: $25,000
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Structure Number: 2228917,  Location: 1.0S,0.9E OF DELMONT (Lat: 43.254111,  Lng: -98.131367),  Route carried "on" structure: County highway ,  Year Built: 1925,  Year Reconstructed: 1979,  Status: Posted for load,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 10 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 10 (year 2032),  Features Intersected: CK,  Facility Carried by Structure: 40290 285 ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 10.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 6.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 1.22m (4.00ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $167,000,  Roadway Improvement Cost: $17,000,  Total Project Cost: $299,000,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 22290169,  Location: 0.9S,1.0E OF DELMONT (Lat: 43.255056,  Lng: -98.129361),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 25 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 25 (year 2032),  Features Intersected: CK,  Facility Carried by Structure: 28490 403 AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.96m (12.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $17,000,  Roadway Improvement Cost: $5,000,  Total Project Cost: $25,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 2229218,  Location: 0.8 W HUTCHINSON CO LINE (Lat: 43.239761,  Lng: -98.124869),  Route carried "on" structure: US 18,  Year Built: 1961,  Status: Open,  Structure Length: 2.24m (7.35ft),  Average Daily Traffic: 556 (year 2021),  Truck Traffic: 16%,  Average Future Daily Traffic: 768 (year 2041),  Design Load: H 20,  Features Intersected: OAK HOLLOW CK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 590.774,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 7.8m (25.6ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 55.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 2229419,  Location: 3.0S,1.4E OF DELMONT (Lat: 43.225481,  Lng: -98.120344),  Route carried "on" structure: County highway ,  Year Built: 1912,  Year Reconstructed: 1982,  Status: Posted for load,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 20 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 20 (year 2032),  Features Intersected: CK,  Facility Carried by Structure: 40340 287 ST.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb-To-Curb Width: 4.7m (15.4ft),  Out-to-Out Width: 4.7m (15.4ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Poor,  Channel: Very good,  Operating Rating: 24.5 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 18.3 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 1.37m (4.49ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $186,000,  Roadway Improvement Cost: $19,000,  Total Project Cost: $325,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 3400118,  Location: 0.1 E OF DOUGLAS CO LINE (Lat: 43.239797,  Lng: -98.107506),  Route carried "on" structure: US 18,  Year Built: 1961,  Status: Open,  Structure Length: 3.57m (11.71ft),  Average Daily Traffic: 696 (year 2021),  Truck Traffic: 19%,  Average Future Daily Traffic: 1,105 (year 2041),  Design Load: H 20,  Features Intersected: CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 592.223,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 7.1m (23.3ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 49.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 3400817,  Location: 2N & 6.2W TRIPP (Lat: 43.254219,  Lng: -98.095361),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Posted for load,  Structure Length: 0.92m (3.02ft),  Average Daily Traffic: 20 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 20 (year 2032),  Features Intersected: CK,  Facility Carried by Structure: 40480 285 STR.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.2m (17.1ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.2m (13.8ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.3m (20.7ft)

Condition: Deck: Satisfactory,  Superstructure: Poor,  Substructure: Fair,  Channel: Very good,  Operating Rating: 24.5 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 18.1 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 3.96m (12.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $205,000,  Roadway Improvement Cost: $21,000,  Total Project Cost: $343,000 ( Estimate for 2014),  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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