US Bridges

I-40 EB over Sunnylane under

Fair

Oklahoma County, Oklahoma · 1.9 MI E of JCT I35 · Structure no. 150860000000000

Built
1960
65 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
127 ft
3 main spans
Daily traffic
43,100
2022 count
Owner
State
State Highway Agency

About this bridge

I-40 EB over Sunnylane under is a concrete continuous slab carrying I-40 EB over Sunnylane under in Oklahoma County, Oklahoma. It was built in 1960, so it is 65 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 43,100 vehicles a day, roughly 12% of them trucks, projected to reach 68,960 by 2042. The structure is 127 ft (38.7 m) long and 54 ft wide.

Location

Open in Google Maps
CarriesI-40 EB
CrossesSunnylane under
Location1.9 MI E of JCT I35
RouteInterstate 40
CountyOklahoma County
StateOklahoma
Coordinates35.45475, -97.44174
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating31.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length127 ft (38.7 m)
Longest span63 ft (19.2 m)
Deck width54 ft (16.4 m)
Roadway width49 ft (14.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,100 (2022)
Projected traffic68,960 by 2042
Trucks12%
Lanes on structure3
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$3.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-40 EB over Sunnylane under built?

It was built in 1960, making it 65 years old in 2025.

What condition is I-40 EB over Sunnylane 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 October 2024.

How much traffic does I-40 EB over Sunnylane under carry?

About 43,100 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-40 EB over Sunnylane under?

The structure is 127 ft (38.7 m) long with a longest span of 63 ft (19.2 m) and a deck 54 ft wide.

Who owns I-40 EB over Sunnylane under?

It is owned by the State Highway Agency.