US Bridges

NB US81 over Little Blue River

Good

Thayer County, Nebraska · .25S of Hebron · Structure no. S081 01219R

Built
1995
30 years old
Condition
Good
inspected July 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
480 ft
5 main spans
Daily traffic
4,285
2018 count
Owner
State
State Highway Agency

About this bridge

NB US81 over Little Blue River is a prestressed concrete stringer/multi-beam or girder carrying NB US81 over Little Blue River in Thayer County, Nebraska. It was built in 1995, so it is 30 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 4,285 vehicles a day, roughly 33% of them trucks, projected to reach 5,785 by 2038. The structure is 480 ft (146.3 m) long and 41 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesNB US81
CrossesLittle Blue River
Location.25S of Hebron
RouteU.S. Route 81
Coordinates40.1587, -97.5706
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating51.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length480 ft (146.3 m)
Longest span98 ft (29.9 m)
Deck width41 ft (12.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,285 (2018)
Projected traffic5,785 by 2038
Trucks33%
Lanes on structure2
Traffic directionOne-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 NB US81 over Little Blue River built?

It was built in 1995, making it 30 years old in 2025.

What condition is NB US81 over Little 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 July 2021.

How much traffic does NB US81 over Little Blue River carry?

About 4,285 vehicles per day (2018 count), of which roughly 33% are trucks.

How long is NB US81 over Little Blue River?

The structure is 480 ft (146.3 m) long with a longest span of 98 ft (29.9 m) and a deck 41 ft wide.

Who owns NB US81 over Little Blue River?

It is owned by the State Highway Agency.