US Bridges

N4614 (0110C) over Creek

Fair

Adair County, Oklahoma · 3.7SW .5E of NW C/L · Structure no. 155950000000000

Built
1963
62 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
350
2022 count
Owner
County
County Highway Agency

About this bridge

N4614 (0110C) over Creek is a concrete culvert carrying N4614 (0110C) over Creek in Adair County, Oklahoma. It was built in 1963, so it is 62 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 350 vehicles a day, roughly 15% of them trucks, projected to reach 560 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN4614 (0110C)
CrossesCreek
Location3.7SW .5E of NW C/L
RouteCounty Highway N4614
Coordinates36.10714, -94.7886
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.9 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed1.9 mi (3 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 N4614 (0110C) over Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is N4614 (0110C) 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 June 2024.

How much traffic does N4614 (0110C) over Creek carry?

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

How long is N4614 (0110C) over Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns N4614 (0110C) over Creek?

It is owned by the County Highway Agency.