US Bridges

IH 35 N T/A @ SH29 over IH 35

Fair

Williamson County, Texas · 0.02 MI N of SH 29 · Structure no. 142460001508520

Built
2008
17 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
260 ft
2 main spans
Daily traffic
16,700
2015 count
Owner
State
State Highway Agency

About this bridge

IH 35 N T/A @ SH29 over IH 35 is a prestressed concrete stringer/multi-beam or girder carrying IH 35 N T/A @ SH29 over IH 35 in Williamson County, Texas. It was built in 2008, so it is 17 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 16,700 vehicles a day, roughly 22% of them trucks, projected to reach 26,800 by 2035. The structure is 260 ft (79.2 m) long and 34 ft wide.

CarriesIH 35 N T/A @ SH29
CrossesIH 35
Location0.02 MI N of SH 29
RouteInterstate 35
StateTexas
Coordinates30.63343, -97.69166
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length260 ft (79.2 m)
Longest span130 ft (39.6 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,700 (2015)
Projected traffic26,800 by 2035
Trucks22%
Lanes on structure1
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 N T/A @ SH29 over IH 35 built?

It was built in 2008, making it 17 years old in 2025.

What condition is IH 35 N T/A @ SH29 over IH 35 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 IH 35 N T/A @ SH29 over IH 35 carry?

About 16,700 vehicles per day (2015 count), of which roughly 22% are trucks.

How long is IH 35 N T/A @ SH29 over IH 35?

The structure is 260 ft (79.2 m) long with a longest span of 130 ft (39.6 m) and a deck 34 ft wide.

Who owns IH 35 N T/A @ SH29 over IH 35?

It is owned by the State Highway Agency.