US Bridges

IH 35 over S Laredo ST

Fair

Bexar County, Texas · 0.30 MI S of SP 536 · Structure no. 150150001710082

Built
1952
73 years old, rebuilt 1991
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
188 ft
3 main spans
Daily traffic
173,066
2022 count
Owner
State
State Highway Agency

About this bridge

IH 35 over S Laredo ST is a steel continuous stringer/multi-beam or girder carrying IH 35 over S Laredo ST in Bexar County, Texas. It was built in 1952 and reconstructed in 1991, so it is 73 years old, older than the Texas average of 44.4 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 173,066 vehicles a day, roughly 8% of them trucks, projected to reach 242,292 by 2042. The structure is 188 ft (57.3 m) long and 76 ft wide.

Location

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CarriesIH 35
CrossesS Laredo ST
Location0.30 MI S of SP 536
RouteInterstate 35
CountyBexar County
StateTexas
Coordinates29.40751, -98.50969
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating31 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length188 ft (57.3 m)
Longest span75 ft (22.9 m)
Deck width76 ft (23.2 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic173,066 (2022)
Projected traffic242,292 by 2042
Trucks8%
Lanes on structure4
Traffic directionTwo-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 statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 over S Laredo ST built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1991.

What condition is IH 35 over S Laredo ST 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 IH 35 over S Laredo ST carry?

About 173,066 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is IH 35 over S Laredo ST?

The structure is 188 ft (57.3 m) long with a longest span of 75 ft (22.9 m) and a deck 76 ft wide.

Who owns IH 35 over S Laredo ST?

It is owned by the State Highway Agency.