US Bridges

US275 over Saint Clair Creek

Fair

Antelope County, Nebraska · 3E Oakdale · Structure no. S275 04929

Built
1988
37 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
56 ft
2 main spans
Daily traffic
3,480
2018 count
Owner
State
State Highway Agency

About this bridge

US275 over Saint Clair Creek is a prestressed concrete tee beam carrying US275 over Saint Clair Creek in Antelope County, Nebraska. It was built in 1988, so it is 37 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 3,480 vehicles a day, roughly 12% of them trucks, projected to reach 4,872 by 2038. The structure is 56 ft (17.1 m) long and 43 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesUS275
CrossesSaint Clair Creek
Location3E Oakdale
RouteU.S. Route 275
Coordinates42.0657, -97.9101
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 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.6 US tons
Inventory rating48.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span28 ft (8.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,480 (2018)
Projected traffic4,872 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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 US275 over Saint Clair Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is US275 over Saint Clair Creek 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 US275 over Saint Clair Creek carry?

About 3,480 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is US275 over Saint Clair Creek?

The structure is 56 ft (17.1 m) long with a longest span of 28 ft (8.5 m) and a deck 43 ft wide.

Who owns US275 over Saint Clair Creek?

It is owned by the State Highway Agency.