US Bridges

N4030(129 Av) over Elm Creek

Fair

Tulsa County, Oklahoma · 129 E Ave .7MI S 76 ST N. · Structure no. 202800000000000

Built
1982
43 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
136 ft
3 main spans
Daily traffic
3,239
2024 count
Owner
County
County Highway Agency

About this bridge

N4030(129 Av) over Elm Creek is a prestressed concrete tee beam carrying N4030(129 Av) over Elm Creek in Tulsa County, Oklahoma. It was built in 1982, so it is 43 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 3,239 vehicles a day, roughly 10% of them trucks, projected to reach 5,182 by 2044. The structure is 136 ft (41.5 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesN4030(129 Av)
CrossesElm Creek
Location129 E Ave .7MI S 76 ST N.
RouteCounty Highway N4030
Coordinates36.25494, -95.83021
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69 US tons
Inventory rating40 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length136 ft (41.5 m)
Longest span45 ft (13.7 m)
Deck width35 ft (10.7 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,239 (2024)
Projected traffic5,182 by 2044
Trucks10%
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$599,000
NavigationNo navigation control on waterway

Frequently asked questions

When was N4030(129 Av) over Elm Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is N4030(129 Av) over Elm 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 September 2023.

How much traffic does N4030(129 Av) over Elm Creek carry?

About 3,239 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is N4030(129 Av) over Elm Creek?

The structure is 136 ft (41.5 m) long with a longest span of 45 ft (13.7 m) and a deck 35 ft wide.

Who owns N4030(129 Av) over Elm Creek?

It is owned by the County Highway Agency.