US Bridges

IRR FAS 6433 over Kiamichi River

Good

Pushmataha County, Oklahoma · 0.2 MI S of Tuskahoma · Structure no. 285190000000000

Built
1997
28 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
282 ft
3 main spans
Daily traffic
175
2022 count
Owner
County
County Highway Agency

About this bridge

IRR FAS 6433 over Kiamichi River is a prestressed concrete stringer/multi-beam or girder carrying IRR FAS 6433 over Kiamichi River in Pushmataha County, Oklahoma. It was built in 1997, so it is 28 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 175 vehicles a day, roughly 15% of them trucks, projected to reach 192 by 2042. The structure is 282 ft (86 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIRR FAS 6433
CrossesKiamichi River
Location0.2 MI S of Tuskahoma
RouteCounty Highway 6433C
Coordinates34.61231, -95.27755
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.6 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length282 ft (86 m)
Longest span101 ft (30.8 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2022)
Projected traffic192 by 2042
Trucks15%
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

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$862,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR FAS 6433 over Kiamichi River built?

It was built in 1997, making it 28 years old in 2025.

What condition is IRR FAS 6433 over Kiamichi River 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 March 2024.

How much traffic does IRR FAS 6433 over Kiamichi River carry?

About 175 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is IRR FAS 6433 over Kiamichi River?

The structure is 282 ft (86 m) long with a longest span of 101 ft (30.8 m) and a deck 28 ft wide.

Who owns IRR FAS 6433 over Kiamichi River?

It is owned by the County Highway Agency.