US Bridges

IRR 4560C over Creek

Fair

McCurtain County, Oklahoma · 3.99 N Idabel · Structure no. 012970000000000

Built
1923
102 years old, rebuilt 1940
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
28 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 continuous slab carrying IRR 4560C over Creek in McCurtain County, Oklahoma. It was built in 1923 and reconstructed in 1940, so it is 102 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 28 ft (8.5 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
Location3.99 N Idabel
RouteCounty Highway 4560C
CountyMcCurtain County
StateOklahoma
Coordinates33.95808, -94.825
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 inspectionApril 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 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 statusHistorical significance not determinable at this time
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 1923, making it 102 years old in 2025. It was reconstructed in 1940.

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 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m) and a deck 26 ft wide.

Who owns IRR 4560C over Creek?

It is owned by the County Highway Agency.