US Bridges

N4638 (0126C) over Caney Creek

FairPosted for load

Adair County, Oklahoma · 4S 2.9E of SH 51 · Structure no. 135210000000000

Built
1955
70 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
252 ft
5 main spans
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

N4638 (0126C) over Caney Creek is a steel stringer/multi-beam or girder carrying N4638 (0126C) over Caney 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 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 350 vehicles a day, roughly 15% of them trucks, projected to reach 560 by 2042. The structure is 252 ft (76.8 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesN4638 (0126C)
CrossesCaney Creek
Location4S 2.9E of SH 51
RouteCounty Highway N4638
CountyAdair County
StateOklahoma
Coordinates35.84091, -94.75798
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating29 US tons
Inventory rating18 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span50 ft (15.2 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic560 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$811,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4638 (0126C) over Caney Creek built?

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

What condition is N4638 (0126C) over Caney 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 N4638 (0126C) over Caney Creek carry?

About 350 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is N4638 (0126C) over Caney Creek?

The structure is 252 ft (76.8 m) long with a longest span of 50 ft (15.2 m) and a deck 25 ft wide.

Who owns N4638 (0126C) over Caney Creek?

It is owned by the County Highway Agency.