US Bridges

S.H. 45 over Creek

Fair

Alfalfa County, Oklahoma · Jct. SH45 & SH58 · Structure no. 129820000000000

Built
1953
72 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
850
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 45 over Creek is a concrete culvert carrying S.H. 45 over Creek in Alfalfa 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 850 vehicles a day, roughly 15% of them trucks, projected to reach 1,360 by 2042. The structure is 47 ft (14.3 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesS.H. 45
CrossesCreek
LocationJct. SH45 & SH58
RouteState Highway 45
CountyAlfalfa County
StateOklahoma
Coordinates36.53556, -98.26552
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.3 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length47 ft (14.3 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 traffic850 (2022)
Projected traffic1,360 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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. 45 over Creek built?

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

What condition is S.H. 45 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 October 2023.

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

About 850 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 45 over Creek?

The structure is 47 ft (14.3 m) long with a longest span of 10 ft (3 m) and a deck 32 ft wide.

Who owns S.H. 45 over Creek?

It is owned by the State Highway Agency.