US Bridges

S.H. 55 over Elk Creek

Fair

Washita County, Oklahoma · 5.1 E of Beckham C/L · Structure no. 303890000000000

Built
2016
9 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
402 ft
4 main spans
Daily traffic
610
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 55 over Elk Creek is a prestressed concrete stringer/multi-beam or girder carrying S.H. 55 over Elk Creek in Washita County, Oklahoma. It was built in 2016, so it is 9 years old, younger 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 610 vehicles a day, roughly 15% of them trucks, projected to reach 976 by 2042. The structure is 402 ft (122.5 m) long and 42 ft wide.

CarriesS.H. 55
CrossesElk Creek
Location5.1 E of Beckham C/L
RouteState Highway 55
Coordinates35.16036, -99.27019
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.8 US tons
Inventory rating56.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length402 ft (122.5 m)
Longest span101 ft (30.8 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2022)
Projected traffic976 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 55 over Elk Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is S.H. 55 over Elk 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 December 2024.

How much traffic does S.H. 55 over Elk Creek carry?

About 610 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 55 over Elk Creek?

The structure is 402 ft (122.5 m) long with a longest span of 101 ft (30.8 m) and a deck 42 ft wide.

Who owns S.H. 55 over Elk Creek?

It is owned by the State Highway Agency.