US Bridges

U.S. 177 over Washita River

Good

Carter County, Oklahoma · 3.3 N JCT S.H. 199 · Structure no. 306030000000000

Built
2016
9 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
744 ft
4 main spans
Daily traffic
1,900
2022 count
Owner
State
State Highway Agency

About this bridge

U.S. 177 over Washita River is a steel stringer/multi-beam or girder carrying U.S. 177 over Washita River in Carter 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 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 1,900 vehicles a day, roughly 16% of them trucks, projected to reach 3,040 by 2042. The structure is 744 ft (226.8 m) long and 42 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

CarriesU.S. 177
CrossesWashita River
Location3.3 N JCT S.H. 199
RouteU.S. Route 177
Coordinates34.23349, -96.97608
Functional classRural Minor Arterial

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadHL 93
Structure length744 ft (226.8 m)
Longest span200 ft (61 m)
Deck width42 ft (12.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2022)
Projected traffic3,040 by 2042
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed20.5 mi (33 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was U.S. 177 over Washita River built?

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

What condition is U.S. 177 over Washita River 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 January 2024.

How much traffic does U.S. 177 over Washita River carry?

About 1,900 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is U.S. 177 over Washita River?

The structure is 744 ft (226.8 m) long with a longest span of 200 ft (61 m) and a deck 42 ft wide.

Who owns U.S. 177 over Washita River?

It is owned by the State Highway Agency.