US Bridges

S.H. 10 over Salt Branch

Fair

Sequoyah County, Oklahoma · 1.44 N JCT I-40 · Structure no. 174300000000000

Built
1969
56 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
1,900
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 10 over Salt Branch is a concrete culvert carrying S.H. 10 over Salt Branch in Sequoyah County, Oklahoma. It was built in 1969, so it is 56 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,900 vehicles a day, roughly 15% of them trucks, projected to reach 3,040 by 2042. The structure is 45 ft (13.7 m) long and 80 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

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CarriesS.H. 10
CrossesSalt Branch
Location1.44 N JCT I-40
RouteState Highway 10
CountySequoyah County
StateOklahoma
Coordinates35.50995, -95.07916
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span17 ft (5.2 m)
Deck width80 ft (24.4 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2022)
Projected traffic3,040 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 10 over Salt Branch built?

It was built in 1969, making it 56 years old in 2025.

What condition is S.H. 10 over Salt Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does S.H. 10 over Salt Branch carry?

About 1,900 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 10 over Salt Branch?

The structure is 45 ft (13.7 m) long with a longest span of 17 ft (5.2 m) and a deck 80 ft wide.

Who owns S.H. 10 over Salt Branch?

It is owned by the State Highway Agency.