US Bridges

U.S. 183 over Gnbc R.R. under

Good

Custer County, Oklahoma · 0.6 N JCT I-40 Bus · Structure no. 271550000000000

Built
2004
21 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
289 ft
3 main spans
Daily traffic
8,700
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 183 over Gnbc R.R. under is a prestressed concrete stringer/multi-beam or girder carrying U.S. 183 over Gnbc R.R. under in Custer County, Oklahoma. It was built in 2004, so it is 21 years old, younger 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 8,700 vehicles a day, roughly 7% of them trucks, projected to reach 13,920 by 2042. The structure is 289 ft (88.1 m) long and 70 ft wide. If it were closed, the detour would be 46 mi (74 km).

CarriesU.S. 183
CrossesGnbc R.R. under
Location0.6 N JCT I-40 Bus
RouteU.S. Route 183
Coordinates35.52629, -98.96562
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length289 ft (88.1 m)
Longest span131 ft (40 m)
Deck width70 ft (21.3 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,700 (2022)
Projected traffic13,920 by 2042
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed46 mi (74 km)
TollOn a free road
National Highway SystemYes

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$5.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was U.S. 183 over Gnbc R.R. under built?

It was built in 2004, making it 21 years old in 2025.

What condition is U.S. 183 over Gnbc 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. 183 over Gnbc R.R. under carry?

About 8,700 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is U.S. 183 over Gnbc R.R. under?

The structure is 289 ft (88.1 m) long with a longest span of 131 ft (40 m) and a deck 70 ft wide.

Who owns U.S. 183 over Gnbc R.R. under?

It is owned by the State Highway Agency.