US Bridges

US81 over N Fk Elkhorn River

Good

Madison County, Nebraska · 3N Norfolk · Structure no. S081 16054R

Built
2003
22 years old
Condition
Good
inspected May 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
202 ft
3 main spans
Daily traffic
9,340
2018 count
Owner
State
State Highway Agency

About this bridge

US81 over N Fk Elkhorn River is a prestressed concrete continuous tee beam carrying US81 over N Fk Elkhorn River in Madison 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 9,340 vehicles a day, roughly 17% of them trucks, projected to reach 13,076 by 2038. The structure is 202 ft (61.6 m) long and 39 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesUS81
CrossesN Fk Elkhorn River
Location3N Norfolk
RouteU.S. Route 81
Coordinates42.0846, -97.4267
Functional classUrban Other Principal Arterial

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 inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating47.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length202 ft (61.6 m)
Longest span76 ft (23.2 m)
Deck width39 ft (12 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,340 (2018)
Projected traffic13,076 by 2038
Trucks17%
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 US81 over N Fk Elkhorn River built?

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

What condition is US81 over N Fk Elkhorn 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 May 2023.

How much traffic does US81 over N Fk Elkhorn River carry?

About 9,340 vehicles per day (2018 count), of which roughly 17% are trucks.

How long is US81 over N Fk Elkhorn River?

The structure is 202 ft (61.6 m) long with a longest span of 76 ft (23.2 m) and a deck 39 ft wide.

Who owns US81 over N Fk Elkhorn River?

It is owned by the State Highway Agency.