US Bridges

US281 over Niobrara River

Good

Holt County, Nebraska · 6SE Spencer · Structure no. S281 20801

Built
2003
22 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
662 ft
3 main spans
Daily traffic
1,295
2018 count
Owner
State
State Highway Agency

About this bridge

US281 over Niobrara River is a steel continuous stringer/multi-beam or girder carrying US281 over Niobrara River in Holt County, Nebraska. It was built in 2003, so it is 22 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 1,295 vehicles a day, roughly 19% of them trucks, projected to reach 1,878 by 2038. The structure is 662 ft (201.8 m) long and 46 ft wide. If it were closed, the detour would be 267.2 mi (430 km).

CarriesUS281
CrossesNiobrara River
Location6SE Spencer
RouteU.S. Route 281
Coordinates42.807, -98.651
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32 US tons
Inventory rating25.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length662 ft (201.8 m)
Longest span250 ft (76.2 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,295 (2018)
Projected traffic1,878 by 2038
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed267.2 mi (430 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 US281 over Niobrara River built?

It was built in 2003, making it 22 years old in 2025.

What condition is US281 over Niobrara 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 March 2023.

How much traffic does US281 over Niobrara River carry?

About 1,295 vehicles per day (2018 count), of which roughly 19% are trucks.

How long is US281 over Niobrara River?

The structure is 662 ft (201.8 m) long with a longest span of 250 ft (76.2 m) and a deck 46 ft wide.

Who owns US281 over Niobrara River?

It is owned by the State Highway Agency.