US Bridges

IRR FAS 4533 over Silver Creek

Fair

McCurtain County, Oklahoma · 1.8 W Pickens · Structure no. 104070000000000

Built
1946
79 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
600
2022 count
Owner
County
County Highway Agency

About this bridge

IRR FAS 4533 over Silver Creek is a concrete culvert carrying IRR FAS 4533 over Silver Creek in McCurtain County, Oklahoma. It was built in 1946, so it is 79 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 600 vehicles a day, roughly 15% of them trucks, projected to reach 960 by 2042. The structure is 23 ft (7 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIRR FAS 4533
CrossesSilver Creek
Location1.8 W Pickens
RouteCounty Highway 4533
Coordinates34.3958, -95.04334
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating21.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2022)
Projected traffic960 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR FAS 4533 over Silver Creek built?

It was built in 1946, making it 79 years old in 2025.

What condition is IRR FAS 4533 over Silver 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 May 2023.

How much traffic does IRR FAS 4533 over Silver Creek carry?

About 600 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is IRR FAS 4533 over Silver Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 20 ft wide.

Who owns IRR FAS 4533 over Silver Creek?

It is owned by the County Highway Agency.