US Bridges

US81 over Prairie Creek

Good

Polk County, Nebraska · 0S Stromsburg · Structure no. S081 07815

Built
1985
40 years old
Condition
Good
inspected December 2024
Type
Slab
Concrete Continuous
Length
82 ft
3 main spans
Daily traffic
3,950
2018 count
Owner
State
State Highway Agency

About this bridge

US81 over Prairie Creek is a concrete continuous slab carrying US81 over Prairie Creek in Polk County, Nebraska. It was built in 1985, so it is 40 years old, younger 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 3,950 vehicles a day, roughly 12% of them trucks, projected to reach 5,135 by 2038. The structure is 82 ft (25 m) long and 43 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesUS81
CrossesPrairie Creek
Location0S Stromsburg
RouteU.S. Route 81
Coordinates41.1081, -97.5983
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.2 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length82 ft (25 m)
Longest span32 ft (9.8 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,950 (2018)
Projected traffic5,135 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 Prairie Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is US81 over Prairie Creek 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 December 2024.

How much traffic does US81 over Prairie Creek carry?

About 3,950 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is US81 over Prairie Creek?

The structure is 82 ft (25 m) long with a longest span of 32 ft (9.8 m) and a deck 43 ft wide.

Who owns US81 over Prairie Creek?

It is owned by the State Highway Agency.