US Bridges

I-40 WB over 4th St. under

Fair

Okmulgee County, Oklahoma · 5.77 E Okfuskee C/L · Structure no. 157470000000000

Built
1963
62 years old, rebuilt 2016
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
116 ft
3 main spans
Daily traffic
7,650
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 WB over 4th St. under is a steel stringer/multi-beam or girder carrying I-40 WB over 4th St. under in Okmulgee County, Oklahoma. It was built in 1963 and reconstructed in 2016, so it is 62 years old, older 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 7,650 vehicles a day, roughly 12% of them trucks, projected to reach 12,240 by 2042. The structure is 116 ft (35.4 m) long and 43 ft wide.

CarriesI-40 WB
Crosses4th St. under
Location5.77 E Okfuskee C/L
RouteInterstate 40
Coordinates35.43292, -95.98603
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
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 rating52.5 US tons
Inventory rating31.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length116 ft (35.4 m)
Longest span45 ft (13.7 m)
Deck width43 ft (13.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,650 (2022)
Projected traffic12,240 by 2042
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$2.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 WB over 4th St. under built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2016.

What condition is I-40 WB over 4th St. under 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 January 2023.

How much traffic does I-40 WB over 4th St. under carry?

About 7,650 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-40 WB over 4th St. under?

The structure is 116 ft (35.4 m) long with a longest span of 45 ft (13.7 m) and a deck 43 ft wide.

Who owns I-40 WB over 4th St. under?

It is owned by the State Highway Agency.