US Bridges

S.H. 66 over Rock Creek

Fair

Creek County, Oklahoma · W. Edge of Sapulpa · Structure no. 286550000000000

Built
2008
17 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
281 ft
3 main spans
Daily traffic
10,200
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 66 over Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 66 over Rock Creek in Creek County, Oklahoma. It was built in 2008, so it is 17 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 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 10,200 vehicles a day, roughly 10% of them trucks, projected to reach 16,320 by 2042. The structure is 281 ft (85.6 m) long and 66 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS.H. 66
CrossesRock Creek
LocationW. Edge of Sapulpa
RouteState Highway 66
Coordinates35.99302, -96.13708
Functional classUrban Other Principal Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length281 ft (85.6 m)
Longest span100 ft (30.5 m)
Deck width66 ft (20.1 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,200 (2022)
Projected traffic16,320 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

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$7.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 66 over Rock Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is S.H. 66 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. 66 over Rock Creek carry?

About 10,200 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is S.H. 66 over Rock Creek?

The structure is 281 ft (85.6 m) long with a longest span of 100 ft (30.5 m) and a deck 66 ft wide.

Who owns S.H. 66 over Rock Creek?

It is owned by the State Highway Agency.