US Bridges

S.H. 7 over Rock Creek

Fair

Murray County, Oklahoma · 8.3 MI E JCT US77 · Structure no. 107300000000000

Built
1947
78 years old
Condition
Fair
inspected March 2024
Type
Frame
Concrete Continuous
Length
142 ft
3 main spans
Daily traffic
14,100
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 7 over Rock Creek is a concrete continuous frame carrying S.H. 7 over Rock Creek in Murray County, Oklahoma. It was built in 1947, so it is 78 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 14,100 vehicles a day, roughly 15% of them trucks, projected to reach 22,560 by 2042. The structure is 142 ft (43.3 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesS.H. 7
CrossesRock Creek
Location8.3 MI E JCT US77
RouteState Highway 7
CountyMurray County
StateOklahoma
Coordinates34.50634, -96.97646
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating19.8 US tons

Structure

Structure typeFrame
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length142 ft (43.3 m)
Longest span56 ft (17.1 m)
Deck width60 ft (18.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,100 (2022)
Projected traffic22,560 by 2042
Trucks15%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$2.8 million
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1947, making it 78 years old in 2025.

What condition is S.H. 7 over Rock 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 March 2024.

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

About 14,100 vehicles per day (2022 count), of which roughly 15% are trucks.

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

The structure is 142 ft (43.3 m) long with a longest span of 56 ft (17.1 m) and a deck 60 ft wide.

Who owns S.H. 7 over Rock Creek?

It is owned by the State Highway Agency.