US Bridges

S.H. 7 over Rock Creek Trib.

Fair

Stephens County, Oklahoma · 1.9 MI E Comanche CO · Structure no. 016670000000000

Built
1926
99 years old, rebuilt 1995
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
7,400
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 7 over Rock Creek Trib. is a concrete culvert carrying S.H. 7 over Rock Creek Trib. in Stephens County, Oklahoma. It was built in 1926 and reconstructed in 1995, so it is 99 years old, older 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 7,400 vehicles a day, roughly 25% of them trucks, projected to reach 11,840 by 2042. The structure is 23 ft (7 m) long and 144 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

Location

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CarriesS.H. 7
CrossesRock Creek Trib.
Location1.9 MI E Comanche CO
RouteState Highway 7
CountyStephens County
StateOklahoma
Coordinates34.59401, -98.1079
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.6 US tons
Inventory rating30.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width144 ft (43.9 m)
Roadway width144 ft (43.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,400 (2022)
Projected traffic11,840 by 2042
Trucks25%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 7 over Rock Creek Trib. built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1995.

What condition is S.H. 7 over Rock Creek Trib. 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 May 2024.

How much traffic does S.H. 7 over Rock Creek Trib. carry?

About 7,400 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is S.H. 7 over Rock Creek Trib.?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 144 ft wide.

Who owns S.H. 7 over Rock Creek Trib.?

It is owned by the State Highway Agency.