US Bridges

6710C over Gar Creek

FairPosted for load

Seminole County, Oklahoma · 3 S & .2 W of Sylvian · Structure no. 253980000000000

Built
1998
27 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
750
2022 count
Owner
County
County Highway Agency

About this bridge

6710C over Gar Creek is a steel stringer/multi-beam or girder carrying 6710C over Gar Creek in Seminole County, Oklahoma. It was built in 1998, so it is 27 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. Its operating status is: posted for load restriction.

It carries about 750 vehicles a day, roughly 10% of them trucks, projected to reach 1,200 by 2042. The structure is 34 ft (10.5 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries6710C
CrossesGar Creek
Location3 S & .2 W of Sylvian
RouteCounty Highway 6710C
Coordinates35.30452, -96.56913
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length34 ft (10.5 m)
Longest span33 ft (10 m)
Deck width24 ft (7.2 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2022)
Projected traffic1,200 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$294,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6710C over Gar Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is 6710C over Gar 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 6710C over Gar Creek carry?

About 750 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is 6710C over Gar Creek?

The structure is 34 ft (10.5 m) long with a longest span of 33 ft (10 m) and a deck 24 ft wide.

Who owns 6710C over Gar Creek?

It is owned by the County Highway Agency.