US Bridges

US20 over Elkhorn River Trib

Good

Holt County, Nebraska · 7SE Inman · Structure no. S020 32260

Built
1990
35 years old, rebuilt 2012
Condition
Good
inspected March 2021
Type
Slab
Concrete Continuous
Length
193 ft
4 main spans
Daily traffic
820
2018 count
Owner
State
State Highway Agency

About this bridge

US20 over Elkhorn River Trib is a concrete continuous slab carrying US20 over Elkhorn River Trib in Holt County, Nebraska. It was built in 1990 and reconstructed in 2012, so it is 35 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 820 vehicles a day, roughly 26% of them trucks, projected to reach 1,107 by 2038. The structure is 193 ft (58.8 m) long and 46 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesUS20
CrossesElkhorn River Trib
Location7SE Inman
RouteU.S. Route 20
Coordinates42.3355, -98.4218
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.8 US tons
Inventory rating41.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadHS 20
Structure length193 ft (58.8 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 traffic820 (2018)
Projected traffic1,107 by 2038
Trucks26%
Lanes on structure2
Traffic directionTwo-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 US20 over Elkhorn River Trib built?

It was built in 1990, making it 35 years old in 2025. It was reconstructed in 2012.

What condition is US20 over Elkhorn River Trib 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 2021.

How much traffic does US20 over Elkhorn River Trib carry?

About 820 vehicles per day (2018 count), of which roughly 26% are trucks.

How long is US20 over Elkhorn River Trib?

The structure is 193 ft (58.8 m) long with a longest span of 56 ft (17.1 m) and a deck 46 ft wide.

Who owns US20 over Elkhorn River Trib?

It is owned by the State Highway Agency.