US Bridges

S.H. 45 over Turkey Creek

Good

Alfalfa County, Oklahoma · 3.9 Mi.E. of JCT.SH58 · Structure no. 212540000000000

Built
1986
39 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
770
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 45 over Turkey Creek is a concrete culvert carrying S.H. 45 over Turkey Creek in Alfalfa County, Oklahoma. It was built in 1986, so it is 39 years old, younger 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 770 vehicles a day, roughly 15% of them trucks, projected to reach 1,232 by 2042. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesS.H. 45
CrossesTurkey Creek
Location3.9 Mi.E. of JCT.SH58
RouteState Highway 45
CountyAlfalfa County
StateOklahoma
Coordinates36.53557, -98.19667
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic770 (2022)
Projected traffic1,232 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$664,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 45 over Turkey Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is S.H. 45 over 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 October 2023.

How much traffic does S.H. 45 over Turkey Creek carry?

About 770 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 45 over Turkey Creek?

The structure is 45 ft (13.7 m) long with a longest span of 17 ft (5.2 m).

Who owns S.H. 45 over Turkey Creek?

It is owned by the State Highway Agency.