US Bridges

S.H. 76 over North Fork Walnut Creek

Fair

McClain County, Oklahoma · 2.8 Mi. N JCT U.S. 62 · Structure no. 308520000000000

Built
2016
9 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
225 ft
3 main spans
Daily traffic
5,100
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 76 over North Fork Walnut Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 76 over North Fork Walnut Creek in McClain County, Oklahoma. It was built in 2016, so it is 9 years old, younger 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 5,100 vehicles a day, roughly 15% of them trucks, projected to reach 8,160 by 2042. The structure is 225 ft (68.7 m) long and 42 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesS.H. 76
CrossesNorth Fork Walnut Creek
Location2.8 Mi. N JCT U.S. 62
RouteState Highway 76
CountyMcClain County
StateOklahoma
Coordinates35.17618, -97.65304
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length225 ft (68.7 m)
Longest span75 ft (23 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2022)
Projected traffic8,160 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 76 over North Fork Walnut Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is S.H. 76 over North Fork Walnut 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 August 2023.

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

About 5,100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 76 over North Fork Walnut Creek?

The structure is 225 ft (68.7 m) long with a longest span of 75 ft (23 m) and a deck 42 ft wide.

Who owns S.H. 76 over North Fork Walnut Creek?

It is owned by the State Highway Agency.