US Bridges

I-35 SB over Waterloo Rd. under

Fair

Oklahoma County, Oklahoma · Okla/Logan CO Line · Structure no. 141040000000000

Built
1958
67 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
102 ft
3 main spans
Daily traffic
24,050
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 SB over Waterloo Rd. under is a concrete continuous slab carrying I-35 SB over Waterloo Rd. under in Oklahoma County, Oklahoma. It was built in 1958, so it is 67 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 24,050 vehicles a day, roughly 12% of them trucks, projected to reach 38,480 by 2042. The structure is 102 ft (31.1 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesI-35 SB
CrossesWaterloo Rd. under
LocationOkla/Logan CO Line
RouteInterstate 35
CountyOklahoma County
StateOklahoma
Coordinates35.72489, -97.41644
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 inspectionMay 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 geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length102 ft (31.1 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,050 (2022)
Projected traffic38,480 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$3.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

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

It was built in 1958, making it 67 years old in 2025.

What condition is I-35 SB over Waterloo 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 May 2024.

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

About 24,050 vehicles per day (2022 count), of which roughly 12% are trucks.

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

The structure is 102 ft (31.1 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

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

It is owned by the State Highway Agency.