US Bridges

U.S. 81 & S.H. 3 over UP R.R. under

Good

Canadian County, Oklahoma · .6 MI SE Kingfisher Cl · Structure no. 179410000000000

Built
1970
55 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
316 ft
4 main spans
Daily traffic
3,400
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 81 & S.H. 3 over UP R.R. under is a steel continuous stringer/multi-beam or girder carrying U.S. 81 & S.H. 3 over UP R.R. under in Canadian County, Oklahoma. It was built in 1970, so it is 55 years old, older 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 3,400 vehicles a day, roughly 25% of them trucks, projected to reach 5,440 by 2042. The structure is 316 ft (96.3 m) long and 41 ft wide.

Location

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CarriesU.S. 81 & S.H. 3
CrossesUP R.R. under
Location.6 MI SE Kingfisher Cl
RouteState Highway 81
CountyCanadian County
StateOklahoma
Coordinates35.71736, -97.97646
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length316 ft (96.3 m)
Longest span82 ft (25 m)
Deck width41 ft (12.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2022)
Projected traffic5,440 by 2042
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkSTRAHNET connector

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$2.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 81 & S.H. 3 over UP R.R. under built?

It was built in 1970, making it 55 years old in 2025.

What condition is U.S. 81 & S.H. 3 over UP R.R. under 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 July 2024.

How much traffic does U.S. 81 & S.H. 3 over UP R.R. under carry?

About 3,400 vehicles per day (2022 count), of which roughly 25% are trucks.

How long is U.S. 81 & S.H. 3 over UP R.R. under?

The structure is 316 ft (96.3 m) long with a longest span of 82 ft (25 m) and a deck 41 ft wide.

Who owns U.S. 81 & S.H. 3 over UP R.R. under?

It is owned by the State Highway Agency.