US Bridges

S.H. 56 Loop over Okmulgee Creek Trib.

Fair

Okmulgee County, Oklahoma · 1.0 E JCT US-75 · Structure no. 177610000000000

Built
1970
55 years old
Condition
Fair
inspected January 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
3,300
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 56 Loop over Okmulgee Creek Trib. is a concrete culvert carrying S.H. 56 Loop over Okmulgee Creek Trib. in Okmulgee 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 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 3,300 vehicles a day, roughly 5% of them trucks, projected to reach 5,280 by 2042. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS.H. 56 Loop
CrossesOkmulgee Creek Trib.
Location1.0 E JCT US-75
RouteState Highway 56
CountyOkmulgee County
StateOklahoma
Coordinates35.64533, -95.94432
Functional classUrban Minor Arterial

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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating47.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2022)
Projected traffic5,280 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$644,000
NavigationNo navigation control on waterway

Frequently asked questions

When was S.H. 56 Loop over Okmulgee Creek Trib. built?

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

What condition is S.H. 56 Loop over Okmulgee Creek Trib. 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 January 2023.

How much traffic does S.H. 56 Loop over Okmulgee Creek Trib. carry?

About 3,300 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is S.H. 56 Loop over Okmulgee Creek Trib.?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m).

Who owns S.H. 56 Loop over Okmulgee Creek Trib.?

It is owned by the State Highway Agency.