US Bridges

IH 35 N T/A@ SH 45 over IH 35

Fair

Williamson County, Texas · 0.03 MI N of SH 45 · Structure no. 142460001509474

Built
2002
23 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
213 ft
2 main spans
Daily traffic
7,460
2015 count
Owner
State
State Highway Agency

About this bridge

IH 35 N T/A@ SH 45 over IH 35 is a prestressed concrete box beam or girders - multiple carrying IH 35 N T/A@ SH 45 over IH 35 in Williamson County, Texas. It was built in 2002, so it is 23 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 7,460 vehicles a day, roughly 23% of them trucks, projected to reach 11,630 by 2035. The structure is 213 ft (64.9 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIH 35 N T/A@ SH 45
CrossesIH 35
Location0.03 MI N of SH 45
RouteInterstate 35
CountyWilliamson County
StateTexas
Coordinates30.48099, -97.67412
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length213 ft (64.9 m)
Longest span107 ft (32.6 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,460 (2015)
Projected traffic11,630 by 2035
Trucks23%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 N T/A@ SH 45 over IH 35 built?

It was built in 2002, making it 23 years old in 2025.

What condition is IH 35 N T/A@ SH 45 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 February 2023.

How much traffic does IH 35 N T/A@ SH 45 over IH 35 carry?

About 7,460 vehicles per day (2015 count), of which roughly 23% are trucks.

How long is IH 35 N T/A@ SH 45 over IH 35?

The structure is 213 ft (64.9 m) long with a longest span of 107 ft (32.6 m) and a deck 31 ft wide.

Who owns IH 35 N T/A@ SH 45 over IH 35?

It is owned by the State Highway Agency.