US Bridges

S.H. 8 over Creek

Fair

Alfalfa County, Oklahoma · 5.9 Mi.N.Major Cl · Structure no. 125560000000000

Built
1951
74 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
2,200
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 1951, so it is 74 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 2,200 vehicles a day, roughly 16% of them trucks, projected to reach 3,520 by 2042. The structure is 37 ft (11.3 m) long and 36 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

Location

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CarriesS.H. 8
CrossesCreek
Location5.9 Mi.N.Major Cl
RouteState Highway 8
CountyAlfalfa County
StateOklahoma
Coordinates36.54834, -98.4264
Functional classRural Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.7 US tons
Inventory rating37.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span10 ft (3 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2022)
Projected traffic3,520 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 1951, making it 74 years old in 2025.

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 2,200 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 8 over Creek?

The structure is 37 ft (11.3 m) long with a longest span of 10 ft (3 m) and a deck 36 ft wide.

Who owns S.H. 8 over Creek?

It is owned by the State Highway Agency.