US Bridges

N4030 (129th E. Av over Cooley Creek

Fair

Tulsa County, Oklahoma · .3 Mi. N of Adm. on 129th · Structure no. 232670000000000

Built
1970
55 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
55 ft
3 main spans
Daily traffic
2,000
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N4030 (129th E. Av over Cooley Creek is a concrete culvert carrying N4030 (129th E. Av over Cooley Creek in Tulsa County, Oklahoma. It was built in 1970, so it is 55 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 2,000 vehicles a day, roughly 10% of them trucks, projected to reach 3,200 by 2042. The structure is 55 ft (16.7 m) long and 165 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesN4030 (129th E. Av
CrossesCooley Creek
Location.3 Mi. N of Adm. on 129th
RouteCity Street N4030
CountyTulsa County
StateOklahoma
Coordinates36.16439, -95.83355
Functional classRural Local

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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length55 ft (16.7 m)
Longest span21 ft (6.3 m)
Deck width165 ft (50.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic3,200 by 2042
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4030 (129th E. Av over Cooley Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is N4030 (129th E. Av over Cooley 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 March 2023.

How much traffic does N4030 (129th E. Av over Cooley Creek carry?

About 2,000 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is N4030 (129th E. Av over Cooley Creek?

The structure is 55 ft (16.7 m) long with a longest span of 21 ft (6.3 m) and a deck 165 ft wide.

Who owns N4030 (129th E. Av over Cooley Creek?

It is owned by the City or Municipal Highway Agency.