US Bridges

E1930 over Washita River

Good

Johnston County, Oklahoma · 2 N 1.4 E of Mannsville · Structure no. 273840000000000

Built
2019
6 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
463 ft
4 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

E1930 over Washita River is a prestressed concrete stringer/multi-beam or girder carrying E1930 over Washita River in Johnston County, Oklahoma. It was built in 2019, so it is 6 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 100 by 2042. The structure is 463 ft (141.1 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesE1930
CrossesWashita River
Location2 N 1.4 E of Mannsville
RouteCounty Highway E1930
Coordinates34.21167, -96.86167
Functional classRural Major Collector

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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating59 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length463 ft (141.1 m)
Longest span130 ft (39.6 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic100 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was E1930 over Washita River built?

It was built in 2019, making it 6 years old in 2025.

What condition is E1930 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 May 2023.

How much traffic does E1930 over Washita River carry?

About 100 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is E1930 over Washita River?

The structure is 463 ft (141.1 m) long with a longest span of 130 ft (39.6 m) and a deck 34 ft wide.

Who owns E1930 over Washita River?

It is owned by the County Highway Agency.