US Bridges

S.H. 8 over Creek

Fair

Alfalfa County, Oklahoma · 3.8 Mi.S.Kansas Line · Structure no. 140790000000000

Built
1958
67 years old, rebuilt 1963
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
50 ft
4 main spans
Daily traffic
770
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 8 over Creek is a concrete culvert carrying S.H. 8 over Creek in Alfalfa County, Oklahoma. It was built in 1958 and reconstructed in 1963, so it is 67 years old, older than the Oklahoma average of 47.8 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 770 vehicles a day, roughly 15% of them trucks, projected to reach 1,232 by 2042. The structure is 50 ft (15.2 m) long and 40 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

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CarriesS.H. 8
CrossesCreek
Location3.8 Mi.S.Kansas Line
RouteState Highway 8
CountyAlfalfa County
StateOklahoma
Coordinates36.94226, -98.48821
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.5 US tons
Inventory rating37.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span10 ft (3 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic770 (2022)
Projected traffic1,232 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 8 over Creek built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1963.

What condition is S.H. 8 over 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 September 2023.

How much traffic does S.H. 8 over Creek carry?

About 770 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 8 over Creek?

The structure is 50 ft (15.2 m) long with a longest span of 10 ft (3 m) and a deck 40 ft wide.

Who owns S.H. 8 over Creek?

It is owned by the State Highway Agency.