US Bridges

E0970 over Washita River

Good

Roger Mills County, Oklahoma · 5.6 W 2. S of Hammon · Structure no. 178500000000000

Built
1970
55 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
72 ft
2 main spans
Daily traffic
25
2022 count
Owner
County
County Highway Agency

About this bridge

E0970 over Washita River is a steel continuous stringer/multi-beam or girder carrying E0970 over Washita River in Roger Mills 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 25 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2042. The structure is 72 ft (21.9 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesE0970
CrossesWashita River
Location5.6 W 2. S of Hammon
RouteCounty Highway E0970
Coordinates35.60799, -99.48602
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length72 ft (21.9 m)
Longest span35 ft (10.8 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2022)
Projected traffic40 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$426,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E0970 over Washita River built?

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

What condition is E0970 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 April 2023.

How much traffic does E0970 over Washita River carry?

About 25 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E0970 over Washita River?

The structure is 72 ft (21.9 m) long with a longest span of 35 ft (10.8 m) and a deck 24 ft wide.

Who owns E0970 over Washita River?

It is owned by the County Highway Agency.