US Bridges

E1580 over Salt Fork Red River

Good

Jackson County, Oklahoma · 2.0 W. of Martha · Structure no. 286950000000000

Built
2009
16 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
802 ft
8 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

E1580 over Salt Fork Red River is a prestressed concrete stringer/multi-beam or girder carrying E1580 over Salt Fork Red River in Jackson County, Oklahoma. It was built in 2009, so it is 16 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 10% of them trucks, projected to reach 160 by 2042. The structure is 802 ft (244.4 m) long and 34 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesE1580
CrossesSalt Fork Red River
Location2.0 W. of Martha
RouteCounty Highway E1580
Coordinates34.725, -99.42528
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating48 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length802 ft (244.4 m)
Longest span98 ft (29.9 m)
Deck width34 ft (10.5 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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$5.7 million
NavigationNo navigation control on waterway

Frequently asked questions

When was E1580 over Salt Fork Red River built?

It was built in 2009, making it 16 years old in 2025.

What condition is E1580 over Salt Fork Red 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 2024.

How much traffic does E1580 over Salt Fork Red River carry?

About 100 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is E1580 over Salt Fork Red River?

The structure is 802 ft (244.4 m) long with a longest span of 98 ft (29.9 m) and a deck 34 ft wide.

Who owns E1580 over Salt Fork Red River?

It is owned by the County Highway Agency.