US Bridges

S.H. 47A over Creek

Fair

Roger Mills County, Oklahoma · 0.5 MI NW of S.H. 47 · Structure no. 200470000000000

Built
1982
43 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
26 ft
5 main spans
Daily traffic
40
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 47A over Creek is a steel culvert carrying S.H. 47A over Creek in Roger Mills County, Oklahoma. It was built in 1982, so it is 43 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 40 vehicles a day, roughly 15% of them trucks, projected to reach 64 by 2042. The structure is 26 ft (7.9 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS.H. 47A
CrossesCreek
Location0.5 MI NW of S.H. 47
RouteState Highway 47A
CountyRoger Mills County
StateOklahoma
Coordinates35.61718, -99.69049
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span4 ft (1.2 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2022)
Projected traffic64 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 47A over Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is S.H. 47A over 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 August 2023.

How much traffic does S.H. 47A over Creek carry?

About 40 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 47A over Creek?

The structure is 26 ft (7.9 m) long with a longest span of 4 ft (1.2 m) and a deck 33 ft wide.

Who owns S.H. 47A over Creek?

It is owned by the State Highway Agency.