US Bridges

NB US81 over W Fk Big Blue River

Good

York County, Nebraska · 1 S MCC00L Junction · Structure no. S081 05152R

Built
1999
26 years old
Condition
Good
inspected December 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
7,490
2018 count
Owner
State
State Highway Agency

About this bridge

NB US81 over W Fk Big Blue River is a prestressed concrete continuous tee beam carrying NB US81 over W Fk Big Blue River in York County, Nebraska. It was built in 1999, so it is 26 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 7,490 vehicles a day, roughly 16% of them trucks, projected to reach 10,486 by 2038. The structure is 142 ft (43.3 m) long and 41 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesNB US81
CrossesW Fk Big Blue River
Location1 S MCC00L Junction
RouteU.S. Route 81
Coordinates40.7242, -97.5963
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating66.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length142 ft (43.3 m)
Longest span56 ft (17.1 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,490 (2018)
Projected traffic10,486 by 2038
Trucks16%
Lanes on structure2
Traffic directionOne-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 NB US81 over W Fk Big Blue River built?

It was built in 1999, making it 26 years old in 2025.

What condition is NB US81 over W Fk Big Blue River 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 NB US81 over W Fk Big Blue River carry?

About 7,490 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is NB US81 over W Fk Big Blue River?

The structure is 142 ft (43.3 m) long with a longest span of 56 ft (17.1 m) and a deck 41 ft wide.

Who owns NB US81 over W Fk Big Blue River?

It is owned by the State Highway Agency.