US Bridges

I-35 SB over Hefner Rd. under

Fair

Oklahoma County, Oklahoma · 2.8 MI N I-44 & I-35 · Structure no. 208470000000000

Built
1984
41 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
202 ft
2 main spans
Daily traffic
42,750
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 SB over Hefner Rd. under is a prestressed concrete stringer/multi-beam or girder carrying I-35 SB over Hefner Rd. under in Oklahoma County, Oklahoma. It was built in 1984, so it is 41 years old, younger 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 42,750 vehicles a day, roughly 12% of them trucks, projected to reach 68,400 by 2042. The structure is 202 ft (61.6 m) long and 73 ft wide.

Location

Open in Google Maps
CarriesI-35 SB
CrossesHefner Rd. under
Location2.8 MI N I-44 & I-35
RouteInterstate 35
CountyOklahoma County
StateOklahoma
Coordinates35.57987, -97.44271
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating32.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span100 ft (30.5 m)
Deck width73 ft (22.4 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,750 (2022)
Projected traffic68,400 by 2042
Trucks12%
Lanes on structure4
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$4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-35 SB over Hefner Rd. under built?

It was built in 1984, making it 41 years old in 2025.

What condition is I-35 SB over Hefner 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 June 2024.

How much traffic does I-35 SB over Hefner Rd. under carry?

About 42,750 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-35 SB over Hefner Rd. under?

The structure is 202 ft (61.6 m) long with a longest span of 100 ft (30.5 m) and a deck 73 ft wide.

Who owns I-35 SB over Hefner Rd. under?

It is owned by the State Highway Agency.