US Bridges

7402C Major over N Fork Trib Cotton Creek

Fair

Washington County, Oklahoma · 2. S 3.3 E of US 75 · Structure no. 202710000000000

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
272
2022 count
Owner
County
County Highway Agency

About this bridge

7402C Major over N Fork Trib Cotton Creek is a prestressed concrete stringer/multi-beam or girder carrying 7402C Major over N Fork Trib Cotton Creek in Washington County, Oklahoma. It was built in 1980, so it is 45 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 272 vehicles a day, roughly 15% of them trucks, projected to reach 435 by 2042. The structure is 102 ft (31.1 m) long and 29 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Carries7402C Major
CrossesN Fork Trib Cotton Creek
Location2. S 3.3 E of US 75
RouteCounty Highway 7421
Coordinates36.97085, -95.86279
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating47.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span101 ft (30.7 m)
Deck width29 ft (8.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic272 (2022)
Projected traffic435 by 2042
Trucks15%
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$514,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 7402C Major over N Fork Trib Cotton Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is 7402C Major over N Fork Trib Cotton 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 October 2024.

How much traffic does 7402C Major over N Fork Trib Cotton Creek carry?

About 272 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 7402C Major over N Fork Trib Cotton Creek?

The structure is 102 ft (31.1 m) long with a longest span of 101 ft (30.7 m) and a deck 29 ft wide.

Who owns 7402C Major over N Fork Trib Cotton Creek?

It is owned by the County Highway Agency.