US Bridges

SW 29th ST over I-44 under

Good

Oklahoma County, Oklahoma · 2.9 MI N I-240 · Structure no. 285750000000000

Built
1972
53 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
217 ft
2 main spans
Daily traffic
5,000
2022 count
Owner
State
State Highway Agency

About this bridge

SW 29th ST over I-44 under is a steel continuous stringer/multi-beam or girder carrying SW 29th ST over I-44 under in Oklahoma County, Oklahoma. It was built in 1972, so it is 53 years old, older than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,000 vehicles a day, roughly 7% of them trucks, projected to reach 8,000 by 2042. The structure is 217 ft (66.1 m) long and 48 ft wide.

Location

Open in Google Maps
CarriesSW 29th ST
CrossesI-44 under
Location2.9 MI N I-240
RouteCity Street 0
CountyOklahoma County
StateOklahoma
Coordinates35.435, -97.56944
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length217 ft (66.1 m)
Longest span106 ft (32.3 m)
Deck width48 ft (14.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,000 (2022)
Projected traffic8,000 by 2042
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$5.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SW 29th ST over I-44 under built?

It was built in 1972, making it 53 years old in 2025.

What condition is SW 29th ST over I-44 under in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does SW 29th ST over I-44 under carry?

About 5,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SW 29th ST over I-44 under?

The structure is 217 ft (66.1 m) long with a longest span of 106 ft (32.3 m) and a deck 48 ft wide.

Who owns SW 29th ST over I-44 under?

It is owned by the State Highway Agency.