US Bridges

State HWY 49 over East Quanah Creek

Good

Comanche County, Oklahoma · HWY 49 @ E. Quanah Creek · Structure no. 000021670-00022

Built
1936
89 years old, rebuilt 1992
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
1,250
2022 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

State HWY 49 over East Quanah Creek is a concrete culvert carrying State HWY 49 over East Quanah Creek in Comanche County, Oklahoma. It was built in 1936 and reconstructed in 1992, so it is 89 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,250 vehicles a day, roughly 1% of them trucks, projected to reach 1,250 by 2042. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesState HWY 49
CrossesEast Quanah Creek
LocationHWY 49 @ E. Quanah Creek
RouteState Highway 49
Coordinates34.7205, -98.64017
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating24 US tons
Inventory rating14 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span13 ft (4 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic1,250 (2022)
Projected traffic1,250 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
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 State HWY 49 over East Quanah Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1992.

What condition is State HWY 49 over East Quanah Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2022.

How much traffic does State HWY 49 over East Quanah Creek carry?

About 1,250 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is State HWY 49 over East Quanah Creek?

The structure is 25 ft (7.6 m) long with a longest span of 13 ft (4 m) and a deck 32 ft wide.

Who owns State HWY 49 over East Quanah Creek?

It is owned by the Bureau of Fish and Wildlife.