US Bridges

S.H. 30 over Little Turkey Creek

Good

Beckham County, Oklahoma · 5.3 MI N JCT I-40 Bus. · Structure no. 192410000000000

Built
1976
49 years old, rebuilt 2014
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
182 ft
3 main spans
Daily traffic
790
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 30 over Little Turkey Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 30 over Little Turkey Creek in Beckham County, Oklahoma. It was built in 1976 and reconstructed in 2014, so it is 49 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 790 vehicles a day, roughly 15% of them trucks, projected to reach 1,264 by 2042. The structure is 182 ft (55.5 m) long and 36 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

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CarriesS.H. 30
CrossesLittle Turkey Creek
Location5.3 MI N JCT I-40 Bus.
RouteState Highway 30
CountyBeckham County
StateOklahoma
Coordinates35.28431, -99.87648
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span60 ft (18.3 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic790 (2022)
Projected traffic1,264 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 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$2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 30 over Little Turkey Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2014.

What condition is S.H. 30 over Little Turkey 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 January 2023.

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

About 790 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 30 over Little Turkey Creek?

The structure is 182 ft (55.5 m) long with a longest span of 60 ft (18.3 m) and a deck 36 ft wide.

Who owns S.H. 30 over Little Turkey Creek?

It is owned by the State Highway Agency.