US Bridges

6718C over Tributary to Wewoka Ck

Poor

Seminole County, Oklahoma · 1 N & .3 W of Wewoka · Structure no. 099830000000000

Built
1942
83 years old
Condition
Poor
inspected August 2023
Type
Slab
Concrete
Length
52 ft
2 main spans
Daily traffic
675
2022 count
Owner
County
County Highway Agency

About this bridge

6718C over Tributary to Wewoka Ck is a concrete slab carrying 6718C over Tributary to Wewoka Ck in Seminole County, Oklahoma. It was built in 1942, so it is 83 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 675 vehicles a day, roughly 10% of them trucks, projected to reach 1,080 by 2042. The structure is 52 ft (15.8 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries6718C
CrossesTributary to Wewoka Ck
Location1 N & .3 W of Wewoka
RouteCounty Highway 6718C
Coordinates35.17388, -96.50014
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span24 ft (7.3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic675 (2022)
Projected traffic1,080 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$357,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6718C over Tributary to Wewoka Ck built?

It was built in 1942, making it 83 years old in 2025.

What condition is 6718C over Tributary to Wewoka Ck in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does 6718C over Tributary to Wewoka Ck carry?

About 675 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is 6718C over Tributary to Wewoka Ck?

The structure is 52 ft (15.8 m) long with a longest span of 24 ft (7.3 m) and a deck 26 ft wide.

Who owns 6718C over Tributary to Wewoka Ck?

It is owned by the County Highway Agency.