US Bridges

FAS 7511 over Cottonwood Creek

Fair

Washita County, Oklahoma · 7.0 S 2.5 E of Cowden · Structure no. 195930000000000

Built
1979
46 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
97 ft
3 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

FAS 7511 over Cottonwood Creek is a steel stringer/multi-beam or girder carrying FAS 7511 over Cottonwood Creek in Washita County, Oklahoma. It was built in 1979, so it is 46 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.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 97 ft (29.6 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesFAS 7511
CrossesCottonwood Creek
Location7.0 S 2.5 E of Cowden
RouteCounty Highway 7511
Coordinates35.14623, -98.68054
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.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length97 ft (29.6 m)
Longest span34 ft (10.4 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$505,000
NavigationNo navigation control on waterway

Frequently asked questions

When was FAS 7511 over Cottonwood Creek built?

It was built in 1979, making it 46 years old in 2025.

What condition is FAS 7511 over Cottonwood 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 January 2023.

How much traffic does FAS 7511 over Cottonwood Creek carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is FAS 7511 over Cottonwood Creek?

The structure is 97 ft (29.6 m) long with a longest span of 34 ft (10.4 m) and a deck 24 ft wide.

Who owns FAS 7511 over Cottonwood Creek?

It is owned by the County Highway Agency.