US Bridges

Old S.H. 92 over Congo Creek

Fair

Grady County, Oklahoma · 0.2 MI W US81 · Structure no. 147310000000000

Built
1960
65 years old, rebuilt 1983
Condition
Fair
inspected February 2023
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
15,300
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old S.H. 92 over Congo Creek is a concrete culvert carrying Old S.H. 92 over Congo Creek in Grady County, Oklahoma. It was built in 1960 and reconstructed in 1983, so it is 65 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 15,300 vehicles a day, roughly 7% of them trucks, projected to reach 24,480 by 2042. The structure is 26 ft (7.9 m) long and 64 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesOld S.H. 92
CrossesCongo Creek
Location0.2 MI W US81
RouteCity Street 0
CountyGrady County
StateOklahoma
Coordinates35.02946, -97.93803
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating41 US tons
Inventory rating24 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span10 ft (3 m)
Deck width64 ft (19.5 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,300 (2022)
Projected traffic24,480 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old S.H. 92 over Congo Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1983.

What condition is Old S.H. 92 over Congo 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 February 2023.

How much traffic does Old S.H. 92 over Congo Creek carry?

About 15,300 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Old S.H. 92 over Congo Creek?

The structure is 26 ft (7.9 m) long with a longest span of 10 ft (3 m) and a deck 64 ft wide.

Who owns Old S.H. 92 over Congo Creek?

It is owned by the City or Municipal Highway Agency.