US Bridges

N4629 (0124C) over Bidding Springs Creek

Fair

Adair County, Oklahoma · 3S 2E of SH 51 · Structure no. 133430000000000

Built
1955
70 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
263
2022 count
Owner
County
County Highway Agency

About this bridge

N4629 (0124C) over Bidding Springs Creek is a concrete culvert carrying N4629 (0124C) over Bidding Springs Creek in Adair County, Oklahoma. It was built in 1955, so it is 70 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 263 vehicles a day, roughly 15% of them trucks, projected to reach 421 by 2042. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesN4629 (0124C)
CrossesBidding Springs Creek
Location3S 2E of SH 51
RouteCounty Highway N4629
CountyAdair County
StateOklahoma
Coordinates35.85661, -94.77354
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating63.6 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic263 (2022)
Projected traffic421 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 N4629 (0124C) over Bidding Springs Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is N4629 (0124C) over Bidding Springs 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 July 2023.

How much traffic does N4629 (0124C) over Bidding Springs Creek carry?

About 263 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4629 (0124C) over Bidding Springs Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns N4629 (0124C) over Bidding Springs Creek?

It is owned by the County Highway Agency.