US Bridges

I-44 NB over I-44 NB Ramp to SW 59th

Fair

Oklahoma County, Oklahoma · 1/2 Mi. N. of I-240 · Structure no. 249690000000000

Built
1998
27 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
146 ft
1 main span
Daily traffic
2,000
2022 count
Owner
State
State Highway Agency

About this bridge

I-44 NB over I-44 NB Ramp to SW 59th is a steel stringer/multi-beam or girder carrying I-44 NB over I-44 NB Ramp to SW 59th in Oklahoma County, Oklahoma. It was built in 1998, so it is 27 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 2,000 vehicles a day, roughly 12% of them trucks, projected to reach 3,200 by 2042. The structure is 146 ft (44.6 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI-44 NB
CrossesI-44 NB Ramp to SW 59th
Location1/2 Mi. N. of I-240
RouteInterstate 44
CountyOklahoma County
StateOklahoma
Coordinates35.40128, -97.57643
Functional classUrban Principal Arterial - Interstate

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length146 ft (44.6 m)
Longest span146 ft (44.5 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2022)
Projected traffic3,200 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$3.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-44 NB over I-44 NB Ramp to SW 59th built?

It was built in 1998, making it 27 years old in 2025.

What condition is I-44 NB over I-44 NB Ramp to SW 59th 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 October 2024.

How much traffic does I-44 NB over I-44 NB Ramp to SW 59th carry?

About 2,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-44 NB over I-44 NB Ramp to SW 59th?

The structure is 146 ft (44.6 m) long with a longest span of 146 ft (44.5 m) and a deck 41 ft wide.

Who owns I-44 NB over I-44 NB Ramp to SW 59th?

It is owned by the State Highway Agency.