US Bridges

S.H. 29 over West Rock Creek

Fair

Garvin County, Oklahoma · 8.8 MI E Stephens CO · Structure no. 130650000000000

Built
1953
72 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Concrete
Length
132 ft
3 main spans
Daily traffic
1,900
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 29 over West Rock Creek is a concrete stringer/multi-beam or girder carrying S.H. 29 over West Rock Creek in Garvin County, Oklahoma. It was built in 1953, so it is 72 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 1,900 vehicles a day, roughly 16% of them trucks, projected to reach 3,040 by 2042. The structure is 132 ft (40.2 m) long and 33 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

Location

Open in Google Maps
CarriesS.H. 29
CrossesWest Rock Creek
Location8.8 MI E Stephens CO
RouteState Highway 29
CountyGarvin County
StateOklahoma
Coordinates34.62294, -97.40877
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating22 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length132 ft (40.2 m)
Longest span50 ft (15.2 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2022)
Projected traffic3,040 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 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$1.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 29 over West Rock Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is S.H. 29 over West 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 2023.

How much traffic does S.H. 29 over West Rock Creek carry?

About 1,900 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 29 over West Rock Creek?

The structure is 132 ft (40.2 m) long with a longest span of 50 ft (15.2 m) and a deck 33 ft wide.

Who owns S.H. 29 over West Rock Creek?

It is owned by the State Highway Agency.