US Bridges

U.S. 75A over Rock Creek

Good

Creek County, Oklahoma · 0.3 MI S JCT SH 117 · Structure no. 040570000000000

Built
1933
92 years old, rebuilt 1974
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
201 ft
4 main spans
Daily traffic
11,300
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 75A over Rock Creek is a steel stringer/multi-beam or girder carrying U.S. 75A over Rock Creek in Creek County, Oklahoma. It was built in 1933 and reconstructed in 1974, so it is 92 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,300 vehicles a day, roughly 7% of them trucks, projected to reach 18,080 by 2042. The structure is 201 ft (61.4 m) long and 65 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesU.S. 75A
CrossesRock Creek
Location0.3 MI S JCT SH 117
RouteU.S. Route 75A
Coordinates35.98492, -96.11349
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length201 ft (61.4 m)
Longest span60 ft (18.3 m)
Deck width65 ft (19.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,300 (2022)
Projected traffic18,080 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed23 mi (37 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 75A over Rock Creek built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 1974.

What condition is U.S. 75A over Rock Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does U.S. 75A over Rock Creek carry?

About 11,300 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is U.S. 75A over Rock Creek?

The structure is 201 ft (61.4 m) long with a longest span of 60 ft (18.3 m) and a deck 65 ft wide.

Who owns U.S. 75A over Rock Creek?

It is owned by the State Highway Agency.