6750C over Wewoka Creek

Fair

Seminole County, Oklahoma · .8 N & 4 W of Seminole · Structure no. 159720000000000

Built: 1964; 61 years old
Condition: Fair; inspected July 2023
Type: Culvert; Concrete
Length: 50 ft; 3 main spans
Daily traffic: 700; 2022 count
Owner: County; County Highway Agency

About this bridge

6750C over Wewoka Creek is a concrete culvert carrying 6750C over Wewoka Creek in Seminole County, Oklahoma. It was built in 1964, so it is 61 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 5 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 700 vehicles a day, roughly 15% of them trucks, projected to reach 1,120 by 2042. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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Carries6750C

CrossesWewoka Creek

Location.8 N & 4 W of Seminole

RouteCounty Highway 6750C

CountySeminole County

StateOklahoma

Coordinates35.24199, -96.74162

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.

Component	Rating	Meaning
Channel and channel protection	3 Serious	Loss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

Last inspectionJuly 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating36 US tons

Inventory rating21.1 US tons

Structure

Structure typeCulvert

MaterialConcrete

DeckNot applicable

Main spans3

Design loadHS 20

Structure length50 ft (15.2 m)

Longest span19 ft (5.8 m)

Deck width0 ft (0 m)

Roadway width0 ft (0 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)

Projected traffic1,120 by 2042

Trucks15%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed3.7 mi (6 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency

Maintained byCounty 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 6750C over Wewoka Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is 6750C over Wewoka 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 July 2023.

How much traffic does 6750C over Wewoka Creek carry?

About 700 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 6750C over Wewoka Creek?

The structure is 50 ft (15.2 m) long with a longest span of 19 ft (5.8 m).

Who owns 6750C over Wewoka Creek?

It is owned by the County Highway Agency.