US Bridges

S.H. 45 over Eagle Chief Creek

Fair

Alfalfa County, Oklahoma · 1.2 Mi.E. of Woods Cl · Structure no. 032280000000000

Built
1956
69 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
308 ft
4 main spans
Daily traffic
1,100
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 45 over Eagle Chief Creek is a steel continuous stringer/multi-beam or girder carrying S.H. 45 over Eagle Chief Creek in Alfalfa County, Oklahoma. It was built in 1956, so it is 69 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 5 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 1,100 vehicles a day, roughly 16% of them trucks, projected to reach 1,760 by 2042. The structure is 308 ft (93.9 m) long and 30 ft wide. If it were closed, the detour would be 47.2 mi (76 km).

Location

Open in Google Maps
CarriesS.H. 45
CrossesEagle Chief Creek
Location1.2 Mi.E. of Woods Cl
RouteState Highway 45
CountyAlfalfa County
StateOklahoma
Coordinates36.57898, -98.51115
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length308 ft (93.9 m)
Longest span81 ft (24.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2022)
Projected traffic1,760 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.2 mi (76 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.5 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 45 over Eagle Chief Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is S.H. 45 over Eagle Chief 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 May 2023.

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

About 1,100 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is S.H. 45 over Eagle Chief Creek?

The structure is 308 ft (93.9 m) long with a longest span of 81 ft (24.7 m) and a deck 30 ft wide.

Who owns S.H. 45 over Eagle Chief Creek?

It is owned by the State Highway Agency.