US Bridges

N4030 (129th St.) over Creek

Fair

Tulsa County, Oklahoma · .5S 1.5E of 51/169 Int · Structure no. 317560000000000

Built
1997
28 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
22,100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N4030 (129th St.) over Creek is a concrete culvert carrying N4030 (129th St.) over Creek in Tulsa County, Oklahoma. It was built in 1997, so it is 28 years old, younger 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 22,100 vehicles a day, roughly 19% of them trucks, projected to reach 35,360 by 2042. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesN4030 (129th St.)
CrossesCreek
Location.5S 1.5E of 51/169 Int
RouteCity Street N4030
Coordinates36.09069, -95.83299
Functional classUrban 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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
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 traffic22,100 (2022)
Projected traffic35,360 by 2042
Trucks19%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedNone recorded
Estimated improvement cost$225,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4030 (129th St.) over Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is N4030 (129th St.) 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 May 2024.

How much traffic does N4030 (129th St.) over Creek carry?

About 22,100 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is N4030 (129th St.) over Creek?

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

Who owns N4030 (129th St.) over Creek?

It is owned by the City or Municipal Highway Agency.