US Bridges

S.H. 76 over Walnut Creek Oflow

Fair

Carter County, Oklahoma · 6.2 MI N JCT US70 · Structure no. 053560000000000

Built
1937
88 years old, rebuilt 1993
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
4,300
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 76 over Walnut Creek Oflow is a concrete culvert carrying S.H. 76 over Walnut Creek Oflow in Carter County, Oklahoma. It was built in 1937 and reconstructed in 1993, so it is 88 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 4,300 vehicles a day, roughly 15% of them trucks, projected to reach 6,880 by 2042. The structure is 34 ft (10.4 m) long and 84 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

Location

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CarriesS.H. 76
CrossesWalnut Creek Oflow
Location6.2 MI N JCT US70
RouteState Highway 76
CountyCarter County
StateOklahoma
Coordinates34.24519, -97.49206
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating48.7 US tons
Inventory rating29.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width84 ft (25.6 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2022)
Projected traffic6,880 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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. 76 over Walnut Creek Oflow built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1993.

What condition is S.H. 76 over Walnut Creek Oflow 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 2024.

How much traffic does S.H. 76 over Walnut Creek Oflow carry?

About 4,300 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 76 over Walnut Creek Oflow?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 84 ft wide.

Who owns S.H. 76 over Walnut Creek Oflow?

It is owned by the State Highway Agency.