US Bridges

I-44 NB over Slwc R.R. under

Good

Comanche County, Oklahoma · 4.7 MI.NE.JCT.US281B · Structure no. 161050000000000

Built
1964
61 years old, rebuilt 2024
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
171 ft
3 main spans
Daily traffic
10,450
2022 count
Owner
State
State Highway Agency

About this bridge

I-44 NB over Slwc R.R. under is a steel stringer/multi-beam or girder carrying I-44 NB over Slwc R.R. under in Comanche County, Oklahoma. It was built in 1964 and reconstructed in 2024, so it is 61 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 10,450 vehicles a day, roughly 12% of them trucks, projected to reach 16,720 by 2042. The structure is 171 ft (52.1 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesI-44 NB
CrossesSlwc R.R. under
Location4.7 MI.NE.JCT.US281B
RouteInterstate 44
CountyComanche County
StateOklahoma
Coordinates34.61652, -98.38427
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length171 ft (52.1 m)
Longest span56 ft (17.1 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,450 (2022)
Projected traffic16,720 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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$3.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-44 NB over Slwc R.R. under built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 2024.

What condition is I-44 NB over Slwc R.R. 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 September 2024.

How much traffic does I-44 NB over Slwc R.R. under carry?

About 10,450 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-44 NB over Slwc R.R. under?

The structure is 171 ft (52.1 m) long with a longest span of 56 ft (17.1 m) and a deck 40 ft wide.

Who owns I-44 NB over Slwc R.R. under?

It is owned by the State Highway Agency.