US Bridges

IH 35 over E 15th ST

Fair

Travis County, Texas · 2.1 MI S of Airport Blvd · Structure no. 142270001513188

Built
1962
63 years old, rebuilt 1976
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
300 ft
6 main spans
Daily traffic
159,455
2020 count
Owner
State
State Highway Agency

About this bridge

IH 35 over E 15th ST is a prestressed concrete stringer/multi-beam or girder carrying IH 35 over E 15th ST in Travis County, Texas. It was built in 1962 and reconstructed in 1976, so it is 63 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 159,455 vehicles a day, roughly 12% of them trucks, projected to reach 245,090 by 2036. The structure is 300 ft (91.4 m) long and 139 ft wide.

CarriesIH 35
CrossesE 15th ST
Location2.1 MI S of Airport Blvd
RouteInterstate 35
StateTexas
Coordinates30.27471, -97.73144
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 inspectionAugust 2023
Inspection intervalevery 48 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 rating75 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span50 ft (15.2 m)
Deck width139 ft (42.3 m)
Roadway width114 ft (34.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159,455 (2020)
Projected traffic245,090 by 2036
Trucks12%
Lanes on structure7
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 over E 15th ST built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1976.

What condition is IH 35 over E 15th 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 August 2023.

How much traffic does IH 35 over E 15th ST carry?

About 159,455 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is IH 35 over E 15th ST?

The structure is 300 ft (91.4 m) long with a longest span of 50 ft (15.2 m) and a deck 139 ft wide.

Who owns IH 35 over E 15th ST?

It is owned by the State Highway Agency.