US Bridges

IH 35 N T/A @ 51st over IH 35

Good

Travis County, Texas · 0.90 MI S of US 290 E · Structure no. 142270001513363

Built
1977
48 years old, rebuilt 2017
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
385 ft
4 main spans
Daily traffic
17,560
2016 count
Owner
State
State Highway Agency

About this bridge

IH 35 N T/A @ 51st over IH 35 is a steel continuous stringer/multi-beam or girder carrying IH 35 N T/A @ 51st over IH 35 in Travis County, Texas. It was built in 1977 and reconstructed in 2017, so it is 48 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 17,560 vehicles a day, projected to reach 20,194 by 2036. The structure is 385 ft (117.3 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 N T/A @ 51st
CrossesIH 35
Location0.90 MI S of US 290 E
RouteInterstate 35
StateTexas
Coordinates30.30992, -97.71001
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadHS 20
Structure length385 ft (117.3 m)
Longest span98 ft (29.9 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,560 (2016)
Projected traffic20,194 by 2036
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

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 IH 35 N T/A @ 51st over IH 35 built?

It was built in 1977, making it 48 years old in 2025. It was reconstructed in 2017.

What condition is IH 35 N T/A @ 51st over IH 35 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does IH 35 N T/A @ 51st over IH 35 carry?

About 17,560 vehicles per day (2016 count).

How long is IH 35 N T/A @ 51st over IH 35?

The structure is 385 ft (117.3 m) long with a longest span of 98 ft (29.9 m) and a deck 27 ft wide.

Who owns IH 35 N T/A @ 51st over IH 35?

It is owned by the State Highway Agency.