US Bridges

S.H. 30 over Creek

Good

Roger Mills County, Oklahoma · 0.8 MI N JCT S.H. 33 · Structure no. 097730000000000

Built
1941
84 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete
Length
46 ft
4 main spans
Daily traffic
160
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 30 over Creek is a concrete culvert carrying S.H. 30 over Creek in Roger Mills County, Oklahoma. It was built in 1941, so it is 84 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 160 vehicles a day, roughly 15% of them trucks, projected to reach 256 by 2042. The structure is 46 ft (14 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesS.H. 30
CrossesCreek
Location0.8 MI N JCT S.H. 33
RouteState Highway 30
CountyRoger Mills County
StateOklahoma
Coordinates35.82553, -99.92546
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 20
Structure length46 ft (14 m)
Longest span10 ft (3 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2022)
Projected traffic256 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. 30 over Creek built?

It was built in 1941, making it 84 years old in 2025.

What condition is S.H. 30 over 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 July 2023.

How much traffic does S.H. 30 over Creek carry?

About 160 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 30 over Creek?

The structure is 46 ft (14 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns S.H. 30 over Creek?

It is owned by the State Highway Agency.