US Bridges

I-35 over 27th St. under

Fair

Cleveland County, Oklahoma · 0.4 MI N of Old US77 · Structure no. 254420000000000

Built
2002
23 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
301 ft
6 main spans
Daily traffic
126,600
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 over 27th St. under is a prestressed concrete stringer/multi-beam or girder carrying I-35 over 27th St. under in Cleveland County, Oklahoma. It was built in 2002, so it is 23 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 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 126,600 vehicles a day, roughly 12% of them trucks, projected to reach 202,560 by 2042. The structure is 301 ft (91.7 m) long and 118 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesI-35
Crosses27th St. under
Location0.4 MI N of Old US77
RouteInterstate 35
CountyCleveland County
StateOklahoma
Coordinates35.36287, -97.49464
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length301 ft (91.7 m)
Longest span55 ft (16.8 m)
Deck width118 ft (36.1 m)
Roadway width111 ft (33.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic126,600 (2022)
Projected traffic202,560 by 2042
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
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$7.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-35 over 27th St. under built?

It was built in 2002, making it 23 years old in 2025.

What condition is I-35 over 27th 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 October 2023.

How much traffic does I-35 over 27th St. under carry?

About 126,600 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I-35 over 27th St. under?

The structure is 301 ft (91.7 m) long with a longest span of 55 ft (16.8 m) and a deck 118 ft wide.

Who owns I-35 over 27th St. under?

It is owned by the State Highway Agency.