US Bridges

NW 10 St. over I-40 under

Fair

Canadian County, Oklahoma · 32.7 Mi. E. Caddo CO · Structure no. 168110000000000

Built
1966
59 years old, rebuilt 2008
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
426 ft
3 main spans
Daily traffic
300
2022 count
Owner
State
State Highway Agency

About this bridge

NW 10 St. over I-40 under is a steel continuous stringer/multi-beam or girder carrying NW 10 St. over I-40 under in Canadian County, Oklahoma. It was built in 1966 and reconstructed in 2008, so it is 59 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 480 by 2042. The structure is 426 ft (129.7 m) long and 66 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNW 10 St.
CrossesI-40 under
Location32.7 Mi. E. Caddo CO
RouteCity Street 0
CountyCanadian County
StateOklahoma
Coordinates35.47895, -97.74735
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating25.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length426 ft (129.7 m)
Longest span107 ft (32.6 m)
Deck width66 ft (20.1 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2022)
Projected traffic480 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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$4.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was NW 10 St. over I-40 under built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2008.

What condition is NW 10 St. over I-40 under 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 2024.

How much traffic does NW 10 St. over I-40 under carry?

About 300 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is NW 10 St. over I-40 under?

The structure is 426 ft (129.7 m) long with a longest span of 107 ft (32.6 m) and a deck 66 ft wide.

Who owns NW 10 St. over I-40 under?

It is owned by the State Highway Agency.