US Bridges

IRR 4560C over Creek

Fair

McCurtain County, Oklahoma · 4.0 N Idabel · Structure no. 061650000000000

Built
1938
87 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
1,000
2022 count
Owner
County
County Highway Agency

About this bridge

IRR 4560C over Creek is a concrete culvert carrying IRR 4560C over Creek in McCurtain County, Oklahoma. It was built in 1938, so it is 87 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.

It carries about 1,000 vehicles a day, roughly 15% of them trucks, projected to reach 1,600 by 2042. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesIRR 4560C
CrossesCreek
Location4.0 N Idabel
RouteCounty Highway 4560C
CountyMcCurtain County
StateOklahoma
Coordinates33.95827, -94.82489
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2022)
Projected traffic1,600 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR 4560C over Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is IRR 4560C over 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 April 2023.

How much traffic does IRR 4560C over Creek carry?

About 1,000 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is IRR 4560C over Creek?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns IRR 4560C over Creek?

It is owned by the County Highway Agency.