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

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Structure Number: 502911,  Location: 2.1 W OF AVON (Lat: 43.010056,  Lng: -98.111778),  Route carried "on" structure: State highway 50,  Year Built: 1960,  Status: Open,  Structure Length: 2.87m (9.42ft),  Average Daily Traffic: 1,089 (year 2021),  Truck Traffic: 15%,  Average Future Daily Traffic: 1,571 (year 2041),  Design Load: H 20,  Features Intersected: DRY CHOTEAU CK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 553.035,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 5.6m (18.4ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 46.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Epoxy Overlay,  Membrane: Epoxy

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Structure Number: 5030119,  Location: 2W & 0.9S of Avon (Lat: 42.997217,  Lng: -98.109208),  Route carried "on" structure: Other road ,  Year Built: 1924,  Year Reconstructed: 1996,  Status: Posted for load,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 60 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 60 (year 2032),  Features Intersected: Dry Choteau Creek,  Facility Carried by Structure: Stone House Road
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 4.6m (15.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 5.3m (17.4ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Good,  Operating Rating: 24.0 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 18.5 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  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: May 2021,  Bridge Improvement Cost: $461,000,  Roadway Improvement Cost: $30,000,  Total Project Cost: $491,000 ( Estimate for 2017),  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 5033125,  Location: 1.7W & 1.5S of Avon (Lat: 42.989344,  Lng: -98.102392),  Route carried "on" structure: County highway ,  Year Built: 2001,  Status: Open,  Structure Length: 2.32m (7.61ft),  Average Daily Traffic: 60 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 60 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: Dry Choteau Creek,  Facility Carried by Structure: Stone House Road
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.9m (75.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  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: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 5042112,  Location: 0.8W of Avon (Lat: 43.008825,  Lng: -98.085414),  Route carried "on" structure: County highway ,  Year Built: 1950,  Status: Posted for load,  Structure Length: 1.58m (5.18ft),  Average Daily Traffic: 60 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 60 (year 2032),  Features Intersected: Trib. to Dry Choteau Crk,  Facility Carried by Structure: 40520StoneHouseRd
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.6m (24.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 23.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 14.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 1.98m (6.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $906,000,  Roadway Improvement Cost: $30,000,  Total Project Cost: $936,000 ( Estimate for 2017),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 5054106,  Location: 0.4N of Avon (Lat: 43.016714,  Lng: -98.060569),  Route carried "on" structure: Other road ,  Year Built: 1945,  Status: Posted for load,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 60 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 60 (year 2032),  Features Intersected: Trib. to Dry Choteau Ck,  Facility Carried by Structure: Jefferson Road
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.6m (21.7ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Serious,  Channel: Poor,  Operating Rating: 2.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 2.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 1.10m (3.61ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $416,000,  Roadway Improvement Cost: $30,000,  Total Project Cost: $446,000 ( Estimate for 2017),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 50561,  Location: 1N of Avon (Lat: 43.024556,  Lng: -98.058844),  Route carried "on" structure: Other road ,  Year Built: 1984,  Status: Open,  Structure Length: 0.78m (2.56ft),  Average Daily Traffic: 60 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 60 (year 2032),  Features Intersected: Trib. to Dry Choteau Ck,  Facility Carried by Structure: 40650 301st Street
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  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: 6.9m (22.6ft),  Out-to-Out Width: 7.1m (23.3ft)

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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 505808,  Location: 3N of Avon (Lat: 43.053672,  Lng: -98.051758),  Route carried "on" structure: Other road ,  Year Built: 1990,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 60 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 60 (year 2032),  Features Intersected: Trib. to Dry Choteau Ck,  Facility Carried by Structure: 40690 299th Street
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 6.8m (22.3ft),  Out-to-Out Width: 7.1m (23.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Fair,  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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 5060075,  Location: 3.5N of Avon (Lat: 43.061461,  Lng: -98.049328),  Route carried "on" structure: Other road ,  Year Built: 1930,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 60 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 60 (year 2032),  Features Intersected: Trib to Dry Choteau Crk,  Facility Carried by Structure: 29850 407th Avenue
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.9m (25.9ft),  Curb-To-Curb Width: 5.6m (18.4ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 40.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 24.4 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 1.22m (4.00ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $461,000,  Roadway Improvement Cost: $30,000,  Total Project Cost: $491,000 ( Estimate for 2017),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 506407,  Location: 4N & 0.4E of Avon (Lat: 43.068225,  Lng: -98.041189),  Route carried "on" structure: Other road ,  Year Built: 1984,  Status: Open,  Structure Length: 0.93m (3.05ft),  Average Daily Traffic: 60 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 60 (year 2032),  Features Intersected: Trib. to Dry Choteau Ck,  Facility Carried by Structure: 40740 298th Street
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  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: 8.8m (28.9ft),  Curb-To-Curb Width: 6.8m (22.3ft),  Out-to-Out Width: 7.1m (23.3ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.37m (4.49ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $439,000,  Roadway Improvement Cost: $30,000,  Total Project Cost: $469,000 ( Estimate for 2017),  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 12603328,  Location: 0.8S & 4.3E of Dante (Lat: 43.026767,  Lng: -98.103778),  Route carried "on" structure: Other road ,  Year Built: 2021,  Status: Open,  Structure Length: 1.08m (3.54ft),  Average Daily Traffic: 48 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 48 (year 2032),  Design Load: HL 93,  Features Intersected: Dry Choteau Creek,  Facility Carried by Structure: 40430 301st Street
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 4.6m (15.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.5m (34.4ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Fair,  Operating Rating: 40.2 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor (LRFR),  Inventory Rating: 31.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor (LRFR),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 1260338,  Location: 2.7W & 3S of Avon (Lat: 42.952581,  Lng: -98.103978),  Route carried "on" structure: Other road ,  Year Built: 2016,  Status: Open,  Structure Length: 0.63m (2.07ft),  Average Daily Traffic: 60 (year 2019),  Truck Traffic: 2%,  Average Future Daily Traffic: 60 (year 2032),  Features Intersected: Choteau Creek,  Facility Carried by Structure: 40430 306th Street
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021

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Structure Number: 5014613,  Location: 1.4W CROOKS (Lat: 43.659672,  Lng: -96.838006),  Route carried "on" structure: County highway ,  Year Built: 2010,  Status: Open,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 103 (year 2021),  Truck Traffic: 2%,  Average Future Daily Traffic: 110 (year 2036),  Design Load: HS 20+Mod,  Features Intersected: WILLOW CK,  Facility Carried by Structure: 257TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.8m (55.1ft),  Curb-To-Curb Width: 8.7m (28.5ft),  Out-to-Out Width: 9.4m (30.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 19.6 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  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: 2.44m (8.01ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $359,000,  Roadway Improvement Cost: $36,000,  Total Project Cost: $577,000 ( Estimate for 2017),  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete