US Bridges

US281 over Little Blue River

Good

Adams County, Nebraska · 3N Ayr · Structure no. S281 03700

Built
1979
46 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
357 ft
4 main spans
Daily traffic
3,155
2018 count
Owner
State
State Highway Agency

About this bridge

US281 over Little Blue River is a steel continuous stringer/multi-beam or girder carrying US281 over Little Blue River in Adams County, Nebraska. It was built in 1979, so it is 46 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 3,155 vehicles a day, roughly 12% of them trucks, projected to reach 4,102 by 2038. The structure is 357 ft (108.8 m) long and 43 ft wide. If it were closed, the detour would be 37.3 mi (60 km).

CarriesUS281
CrossesLittle Blue River
Location3N Ayr
RouteU.S. Route 281
Coordinates40.4572, -98.4018
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating62.8 US tons
Inventory rating37.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length357 ft (108.8 m)
Longest span98 ft (29.9 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,155 (2018)
Projected traffic4,102 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.3 mi (60 km)
TollOn a free road
National Highway SystemNo

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 US281 over Little Blue River built?

It was built in 1979, making it 46 years old in 2025.

What condition is US281 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 August 2023.

How much traffic does US281 over Little Blue River carry?

About 3,155 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is US281 over Little Blue River?

The structure is 357 ft (108.8 m) long with a longest span of 98 ft (29.9 m) and a deck 43 ft wide.

Who owns US281 over Little Blue River?

It is owned by the State Highway Agency.