US Bridges

SE 20th St. over I-35 under

Good

Oklahoma County, Oklahoma · 4.7 MI N Cleveland CO · Structure no. 236340000000000

Built
1994
31 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
161 ft
2 main spans
Daily traffic
500
2022 count
Owner
State
State Highway Agency

About this bridge

SE 20th St. over I-35 under is a steel continuous stringer/multi-beam or girder carrying SE 20th St. over I-35 under in Oklahoma County, Oklahoma. It was built in 1994, so it is 31 years old, younger than the Oklahoma average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 500 vehicles a day, roughly 5% of them trucks, projected to reach 800 by 2042. The structure is 161 ft (49.1 m) long and 72 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSE 20th St.
CrossesI-35 under
Location4.7 MI N Cleveland CO
RouteCity Street 0
Coordinates35.44484, -97.48593
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.5 US tons
Inventory rating53.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length161 ft (49.1 m)
Longest span80 ft (24.4 m)
Deck width72 ft (21.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic800 by 2042
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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$5.4 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SE 20th St. over I-35 under built?

It was built in 1994, making it 31 years old in 2025.

What condition is SE 20th St. over I-35 under in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does SE 20th St. over I-35 under carry?

About 500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is SE 20th St. over I-35 under?

The structure is 161 ft (49.1 m) long with a longest span of 80 ft (24.4 m) and a deck 72 ft wide.

Who owns SE 20th St. over I-35 under?

It is owned by the State Highway Agency.