US Bridges

US20 over N Fk Elkhorn River

Fair

Pierce County, Nebraska · 1W Osmond · Structure no. S020 36393

Built
1992
33 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
2,570
2018 count
Owner
State
State Highway Agency

About this bridge

US20 over N Fk Elkhorn River is a concrete continuous slab carrying US20 over N Fk Elkhorn River in Pierce County, Nebraska. It was built in 1992, so it is 33 years old, younger than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,570 vehicles a day, roughly 20% of them trucks, projected to reach 3,341 by 2038. The structure is 142 ft (43.3 m) long and 46 ft wide. If it were closed, the detour would be 111.8 mi (180 km).

CarriesUS20
CrossesN Fk Elkhorn River
Location1W Osmond
RouteU.S. Route 20
Coordinates42.3511, -97.6179
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to 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 rating97 US tons
Inventory rating54 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span56 ft (17.1 m)
Deck width46 ft (14.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,570 (2018)
Projected traffic3,341 by 2038
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed111.8 mi (180 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 US20 over N Fk Elkhorn River built?

It was built in 1992, making it 33 years old in 2025.

What condition is US20 over N Fk Elkhorn River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does US20 over N Fk Elkhorn River carry?

About 2,570 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is US20 over N Fk Elkhorn River?

The structure is 142 ft (43.3 m) long with a longest span of 56 ft (17.1 m) and a deck 46 ft wide.

Who owns US20 over N Fk Elkhorn River?

It is owned by the State Highway Agency.