US Bridges

S.H. 46 over Twentyfive Mile Creek

Fair

Ellis County, Oklahoma · 3.0 MI N SH15 · Structure no. 151980000000000

Built
1960
65 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
341 ft
4 main spans
Daily traffic
330
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 46 over Twentyfive Mile Creek is a steel continuous stringer/multi-beam or girder carrying S.H. 46 over Twentyfive Mile Creek in Ellis County, Oklahoma. It was built in 1960, so it is 65 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 330 vehicles a day, roughly 15% of them trucks, projected to reach 528 by 2042. The structure is 341 ft (103.9 m) long and 32 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

Location

Open in Google Maps
CarriesS.H. 46
CrossesTwentyfive Mile Creek
Location3.0 MI N SH15
RouteState Highway 46
CountyEllis County
StateOklahoma
Coordinates36.35615, -99.76516
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length341 ft (103.9 m)
Longest span85 ft (25.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic330 (2022)
Projected traffic528 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 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$2.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 46 over Twentyfive Mile Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is S.H. 46 over Twentyfive Mile 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 November 2023.

How much traffic does S.H. 46 over Twentyfive Mile Creek carry?

About 330 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 46 over Twentyfive Mile Creek?

The structure is 341 ft (103.9 m) long with a longest span of 85 ft (25.9 m) and a deck 32 ft wide.

Who owns S.H. 46 over Twentyfive Mile Creek?

It is owned by the State Highway Agency.