US Bridges

IRR FAS 4033 over Cow Creek

FairPosted for load

Le Flore County, Oklahoma · 0.7 S Zafra · Structure no. 049640000000000

Built
1936
89 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
61 ft
4 main spans
Daily traffic
100
2022 count
Owner
County
County Highway Agency

About this bridge

IRR FAS 4033 over Cow Creek is a steel stringer/multi-beam or girder carrying IRR FAS 4033 over Cow Creek in Le Flore County, Oklahoma. It was built in 1936, so it is 89 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 61 ft (18.6 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIRR FAS 4033
CrossesCow Creek
Location0.7 S Zafra
RouteCounty Highway 4133
Coordinates34.50677, -94.49369
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.
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 protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans4
Design loadUnknown
Structure length61 ft (18.6 m)
Longest span15 ft (4.6 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 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$390,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR FAS 4033 over Cow Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is IRR FAS 4033 over Cow 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 January 2023.

How much traffic does IRR FAS 4033 over Cow Creek carry?

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

How long is IRR FAS 4033 over Cow Creek?

The structure is 61 ft (18.6 m) long with a longest span of 15 ft (4.6 m) and a deck 16 ft wide.

Who owns IRR FAS 4033 over Cow Creek?

It is owned by the County Highway Agency.