US Bridges

US20/US275 over Elkhorn River

Poor

Holt County, Nebraska · 2SE Oneill · Structure no. S020 31087

Built
1937
88 years old, rebuilt 1981
Condition
Poor
inspected March 2023
Type
Slab
Concrete Continuous
Length
222 ft
7 main spans
Daily traffic
3,315
2018 count
Owner
State
State Highway Agency

About this bridge

US20/US275 over Elkhorn River is a concrete continuous slab carrying US20/US275 over Elkhorn River in Holt County, Nebraska. It was built in 1937 and reconstructed in 1981, so it is 88 years old, older than the Nebraska average of 47.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,315 vehicles a day, roughly 16% of them trucks, projected to reach 4,641 by 2038. The structure is 222 ft (67.7 m) long and 35 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesUS20/US275
CrossesElkhorn River
Location2SE Oneill
RouteU.S. Route 20
Coordinates42.4331, -98.599
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.4 US tons
Inventory rating27.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length222 ft (67.7 m)
Longest span38 ft (11.6 m)
Deck width35 ft (10.7 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,315 (2018)
Projected traffic4,641 by 2038
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US20/US275 over Elkhorn River built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1981.

What condition is US20/US275 over Elkhorn River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2023.

How much traffic does US20/US275 over Elkhorn River carry?

About 3,315 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is US20/US275 over Elkhorn River?

The structure is 222 ft (67.7 m) long with a longest span of 38 ft (11.6 m) and a deck 35 ft wide.

Who owns US20/US275 over Elkhorn River?

It is owned by the State Highway Agency.