US Bridges

US26/N61 over South Platte River

Fair

Keith County, Nebraska · 0S Ogallala · Structure no. S026 15046

Built
1967
58 years old, rebuilt 1998
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
702 ft
10 main spans
Daily traffic
11,690
2018 count
Owner
State
State Highway Agency

About this bridge

US26/N61 over South Platte River is a prestressed concrete continuous stringer/multi-beam or girder carrying US26/N61 over South Platte River in Keith County, Nebraska. It was built in 1967 and reconstructed in 1998, so it is 58 years old, older 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 11,690 vehicles a day, roughly 7% of them trucks, projected to reach 13,444 by 2038. The structure is 702 ft (214 m) long and 83 ft wide. If it were closed, the detour would be 161.6 mi (260 km).

CarriesUS26/N61
CrossesSouth Platte River
Location0S Ogallala
RouteU.S. Route 26
Coordinates41.1194, -101.714
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating76.1 US tons
Inventory rating45.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadUnknown
Structure length702 ft (214 m)
Longest span70 ft (21.3 m)
Deck width83 ft (25.2 m)
Roadway width70 ft (21.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,690 (2018)
Projected traffic13,444 by 2038
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed161.6 mi (260 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 US26/N61 over South Platte River built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 1998.

What condition is US26/N61 over South Platte 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 November 2023.

How much traffic does US26/N61 over South Platte River carry?

About 11,690 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is US26/N61 over South Platte River?

The structure is 702 ft (214 m) long with a longest span of 70 ft (21.3 m) and a deck 83 ft wide.

Who owns US26/N61 over South Platte River?

It is owned by the State Highway Agency.