US Bridges

L45B US20 to US275 over Elkhorn River

Fair

Holt County, Nebraska · 1N Ewing · Structure no. SL45B00449

Built
1982
43 years old, rebuilt 1993
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
178 ft
4 main spans
Daily traffic
390
2018 count
Owner
State
State Highway Agency

About this bridge

L45B US20 to US275 over Elkhorn River is a concrete continuous slab carrying L45B US20 to US275 over Elkhorn River in Holt County, Nebraska. It was built in 1982 and reconstructed in 1993, so it is 43 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 390 vehicles a day, roughly 6% of them trucks, projected to reach 566 by 2038. The structure is 178 ft (54.3 m) long and 32 ft wide. If it were closed, the detour would be 62.1 mi (100 km).

Location

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CarriesL45B US20 to US275
CrossesElkhorn River
Location1N Ewing
RouteState Highway 0L45B
CountyHolt County
StateNebraska
Coordinates42.2683, -98.3395
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating70.5 US tons
Inventory rating41.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic390 (2018)
Projected traffic566 by 2038
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed62.1 mi (100 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 L45B US20 to US275 over Elkhorn River built?

It was built in 1982, making it 43 years old in 2025. It was reconstructed in 1993.

What condition is L45B US20 to US275 over 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 March 2023.

How much traffic does L45B US20 to US275 over Elkhorn River carry?

About 390 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is L45B US20 to US275 over Elkhorn River?

The structure is 178 ft (54.3 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns L45B US20 to US275 over Elkhorn River?

It is owned by the State Highway Agency.