US Bridges

US81 over West Bow Cr. Trib.And Ov

Good

Cedar County, Nebraska · 12S Yankton · Structure no. S081 20319

Built
1947
78 years old, rebuilt 1976
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
3,475
2018 count
Owner
State
State Highway Agency

About this bridge

US81 over West Bow Cr. Trib.And Ov is a concrete culvert carrying US81 over West Bow Cr. Trib.And Ov in Cedar County, Nebraska. It was built in 1947 and reconstructed in 1976, so it is 78 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,475 vehicles a day, roughly 17% of them trucks, projected to reach 5,039 by 2038. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 12.4 mi (20 km).

Location

Open in Google Maps
CarriesUS81
CrossesWest Bow Cr. Trib.And Ov
Location12S Yankton
RouteU.S. Route 81
CountyCedar County
StateNebraska
Coordinates42.6991, -97.4149
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,475 (2018)
Projected traffic5,039 by 2038
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US81 over West Bow Cr. Trib.And Ov built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1976.

What condition is US81 over West Bow Cr. Trib.And Ov in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does US81 over West Bow Cr. Trib.And Ov carry?

About 3,475 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is US81 over West Bow Cr. Trib.And Ov?

The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m).

Who owns US81 over West Bow Cr. Trib.And Ov?

It is owned by the State Highway Agency.