US Bridges

S.H. 48 over I-40 under

Good

Okfuskee County, Oklahoma · 3.9 E of Seminole C/L · Structure no. 316540000000000

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
269 ft
4 main spans
Daily traffic
1,082
2022 count
Owner
State
State Highway Agency

About this bridge

S.H. 48 over I-40 under is a steel stringer/multi-beam or girder carrying S.H. 48 over I-40 under in Okfuskee County, Oklahoma. It was built in 2017, so it is 8 years old, younger 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 1,082 vehicles a day, roughly 15% of them trucks, projected to reach 2,165 by 2042. The structure is 269 ft (82 m) long and 42 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

CarriesS.H. 48
CrossesI-40 under
Location3.9 E of Seminole C/L
RouteState Highway 48
Coordinates35.40278, -96.37611
Functional classRural Major Collector

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length269 ft (82 m)
Longest span100 ft (30.5 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,082 (2022)
Projected traffic2,165 by 2042
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed18.6 mi (30 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was S.H. 48 over I-40 under built?

It was built in 2017, making it 8 years old in 2025.

What condition is S.H. 48 over I-40 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 2023.

How much traffic does S.H. 48 over I-40 under carry?

About 1,082 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is S.H. 48 over I-40 under?

The structure is 269 ft (82 m) long with a longest span of 100 ft (30.5 m) and a deck 42 ft wide.

Who owns S.H. 48 over I-40 under?

It is owned by the State Highway Agency.