US Bridges

IH35 SB to SH71 EB over IH 35 & SH 71

Fair

Travis County, Texas · IH 35/SH 71 Interchange · Structure no. 142270001513461

Built
2005
20 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
1,033 ft
2 main spans
Daily traffic
12,390
2016 count
Owner
State
State Highway Agency

About this bridge

IH35 SB to SH71 EB over IH 35 & SH 71 is a steel continuous box beam or girders - multiple carrying IH35 SB to SH71 EB over IH 35 & SH 71 in Travis County, Texas. It was built in 2005, so it is 20 years old, younger 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 12,390 vehicles a day, roughly 12% of them trucks, projected to reach 17,340 by 2036. The structure is 1,033 ft (314.9 m) long and 28 ft wide.

CarriesIH35 SB to SH71 EB
CrossesIH 35 & SH 71
LocationIH 35/SH 71 Interchange
RouteInterstate 35
StateTexas
Coordinates30.21821, -97.75067
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 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 rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans2 (+4 approach)
Design loadHS 20
Structure length1,033 ft (314.9 m)
Longest span243 ft (74.1 m)
Deck width28 ft (8.4 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deck20 ft (6 m)

Traffic and service

Average daily traffic12,390 (2016)
Projected traffic17,340 by 2036
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH35 SB to SH71 EB over IH 35 & SH 71 built?

It was built in 2005, making it 20 years old in 2025.

What condition is IH35 SB to SH71 EB over IH 35 & SH 71 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 IH35 SB to SH71 EB over IH 35 & SH 71 carry?

About 12,390 vehicles per day (2016 count), of which roughly 12% are trucks.

How long is IH35 SB to SH71 EB over IH 35 & SH 71?

The structure is 1,033 ft (314.9 m) long with a longest span of 243 ft (74.1 m) and a deck 28 ft wide.

Who owns IH35 SB to SH71 EB over IH 35 & SH 71?

It is owned by the State Highway Agency.