US Bridges

I-40 EB over Lake RD under

Fair

Okmulgee County, Oklahoma · 6.03 E Okfuskee C/L · Structure no. 157260000000000

Built
1963
62 years old
Condition
Fair
inspected January 2023
Type
Slab
Concrete Continuous
Length
109 ft
3 main spans
Daily traffic
7,650
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 EB over Lake RD under is a concrete continuous slab carrying I-40 EB over Lake RD under in Okmulgee County, Oklahoma. It was built in 1963, 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 5 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 109 ft (33.2 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesI-40 EB
CrossesLake RD under
Location6.03 E Okfuskee C/L
RouteInterstate 40
CountyOkmulgee County
StateOklahoma
Coordinates35.43253, -95.98161
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.1 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span43 ft (13.1 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 EB over Lake RD under built?

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

What condition is I-40 EB over Lake RD 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 EB over Lake RD under carry?

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

How long is I-40 EB over Lake RD under?

The structure is 109 ft (33.2 m) long with a longest span of 43 ft (13.1 m) and a deck 43 ft wide.

Who owns I-40 EB over Lake RD under?

It is owned by the State Highway Agency.