US Bridges

6824C/ E1150 over Mud Slough

FairPosted for load

Sequoyah County, Oklahoma · 5.4 MI SE of US 64 · Structure no. 044990000000000

Built
1935
90 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

6824C/ E1150 over Mud Slough is a steel stringer/multi-beam or girder carrying 6824C/ E1150 over Mud Slough in Sequoyah County, Oklahoma. It was built in 1935, so it is 90 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 56 ft (17.1 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
Carries6824C/ E1150
CrossesMud Slough
Location5.4 MI SE of US 64
RouteCounty Highway 6824C
CountySequoyah County
StateOklahoma
Coordinates35.34726, -94.55804
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span24 ft (7.3 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic160 by 2042
Trucks15%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
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 6824C/ E1150 over Mud Slough built?

It was built in 1935, making it 90 years old in 2025.

What condition is 6824C/ E1150 over Mud Slough 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 June 2023.

How much traffic does 6824C/ E1150 over Mud Slough carry?

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

How long is 6824C/ E1150 over Mud Slough?

The structure is 56 ft (17.1 m) long with a longest span of 24 ft (7.3 m) and a deck 16 ft wide.

Who owns 6824C/ E1150 over Mud Slough?

It is owned by the County Highway Agency.