US Bridges

1536C over Salt Creek

Good

Coal County, Oklahoma · 3.2 N & 1.6 W of Cairo · Structure no. 250500000000000

Built
1999
26 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
88 ft
1 main span
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

1536C over Salt Creek is a prestressed concrete stringer/multi-beam or girder carrying 1536C over Salt Creek in Coal County, Oklahoma. It was built in 1999, so it is 26 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 160 by 2042. The structure is 88 ft (26.8 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries1536C
CrossesSalt Creek
Location3.2 N & 1.6 W of Cairo
RouteCounty Highway 1536C
Coordinates34.63658, -96.16094
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 inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating109 US tons
Inventory rating51 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length88 ft (26.8 m)
Longest span85 ft (25.9 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 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$474,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 1536C over Salt Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is 1536C over Salt Creek 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 1536C over Salt Creek carry?

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

How long is 1536C over Salt Creek?

The structure is 88 ft (26.8 m) long with a longest span of 85 ft (25.9 m) and a deck 27 ft wide.

Who owns 1536C over Salt Creek?

It is owned by the County Highway Agency.