US Bridges

I-35 over E1555 under

Fair

Garvin County, Oklahoma · 18.9 MI N Murray C/L · Structure no. 179010000000000

Built
1970
55 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
176 ft
3 main spans
Daily traffic
16,500
2022 count
Owner
State
State Highway Agency

About this bridge

I-35 over E1555 under is a steel stringer/multi-beam or girder carrying I-35 over E1555 under in Garvin County, Oklahoma. It was built in 1970, so it is 55 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 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 16,500 vehicles a day, roughly 36% of them trucks, projected to reach 26,400 by 2042. The structure is 176 ft (53.6 m) long and 40 ft wide.

CarriesI-35
CrossesE1555 under
Location18.9 MI N Murray C/L
RouteInterstate 35
Coordinates34.76093, -97.28294
Functional classRural 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 inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating40 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span101 ft (30.8 m)
Deck width40 ft (12.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2022)
Projected traffic26,400 by 2042
Trucks36%
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$1.6 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-35 over E1555 under built?

It was built in 1970, making it 55 years old in 2025.

What condition is I-35 over E1555 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 January 2023.

How much traffic does I-35 over E1555 under carry?

About 16,500 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-35 over E1555 under?

The structure is 176 ft (53.6 m) long with a longest span of 101 ft (30.8 m) and a deck 40 ft wide.

Who owns I-35 over E1555 under?

It is owned by the State Highway Agency.