US Bridges

7422C over Curl Creek

Fair

Washington County, Oklahoma · 7. S 5.5 E of US 75 · Structure no. 194640000000000

Built
1978
47 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
144 ft
2 main spans
Daily traffic
276
2022 count
Owner
County
County Highway Agency

About this bridge

7422C over Curl Creek is a prestressed concrete stringer/multi-beam or girder carrying 7422C over Curl Creek in Washington County, Oklahoma. It was built in 1978, so it is 47 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 5 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 276 vehicles a day, roughly 15% of them trucks, projected to reach 442 by 2042. The structure is 144 ft (43.9 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries7422C
CrossesCurl Creek
Location7. S 5.5 E of US 75
RouteCounty Highway 7422C
CountyWashington County
StateOklahoma
Coordinates36.62648, -95.83596
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating40.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length144 ft (43.9 m)
Longest span92 ft (28 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic276 (2022)
Projected traffic442 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$653,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 7422C over Curl Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is 7422C over Curl 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 7422C over Curl Creek carry?

About 276 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is 7422C over Curl Creek?

The structure is 144 ft (43.9 m) long with a longest span of 92 ft (28 m) and a deck 28 ft wide.

Who owns 7422C over Curl Creek?

It is owned by the County Highway Agency.