US Bridges

6410C over Post Oak Creek

Fair

Pushmataha County, Oklahoma · 7.9 MI E of Albion · Structure no. 072510000000000

Built
1939
86 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
45 ft
2 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

6410C over Post Oak Creek is a concrete stringer/multi-beam or girder carrying 6410C over Post Oak Creek in Pushmataha County, Oklahoma. It was built in 1939, so it is 86 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 100 vehicles a day, roughly 15% of them trucks, projected to reach 160 by 2042. The structure is 45 ft (13.7 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries6410C
CrossesPost Oak Creek
Location7.9 MI E of Albion
RouteCounty Highway 6410C
Coordinates34.66667, -94.95977
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length45 ft (13.7 m)
Longest span20 ft (6.2 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 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 closed1.9 mi (3 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$331,000
NavigationNo navigation control on waterway

Frequently asked questions

When was 6410C over Post Oak Creek built?

It was built in 1939, making it 86 years old in 2025.

What condition is 6410C over Post Oak Creek 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 March 2024.

How much traffic does 6410C over Post Oak Creek carry?

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

How long is 6410C over Post Oak Creek?

The structure is 45 ft (13.7 m) long with a longest span of 20 ft (6.2 m) and a deck 23 ft wide.

Who owns 6410C over Post Oak Creek?

It is owned by the County Highway Agency.