US Bridges

5012C over Rock Creek

FairPosted for load

Murray County, Oklahoma · 2.4 N 0.7 W Big Canyon · Structure no. 166020000000000

Built
1965
60 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
221 ft
4 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

5012C over Rock Creek is a steel stringer/multi-beam or girder carrying 5012C over Rock Creek in Murray County, Oklahoma. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 221 ft (67.4 m) long and 26 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

Location

Open in Google Maps
Carries5012C
CrossesRock Creek
Location2.4 N 0.7 W Big Canyon
RouteCounty Highway 5012C
CountyMurray County
StateOklahoma
Coordinates34.39732, -97.03812
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22 US tons
Inventory rating13 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length221 ft (67.4 m)
Longest span60 ft (18.3 m)
Deck width26 ft (8 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 closed9.3 mi (15 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$755,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 5012C over Rock Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is 5012C 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 February 2024.

How much traffic does 5012C over Rock Creek carry?

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

How long is 5012C over Rock Creek?

The structure is 221 ft (67.4 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns 5012C over Rock Creek?

It is owned by the County Highway Agency.