US Bridges

IH35SB to SH45EB over SH 45

Good

Williamson County, Texas · 0.7 MI E of FM 1325 · Structure no. 142460001509493

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
3,545 ft
6 main spans
Daily traffic
58,060
2013 count
Owner
State
State Highway Agency

About this bridge

IH35SB to SH45EB over SH 45 is a steel continuous stringer/multi-beam or girder carrying IH35SB to SH45EB over SH 45 in Williamson County, Texas. It was built in 2006, so it is 19 years old, younger 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 58,060 vehicles a day, roughly 12% of them trucks, projected to reach 93,070 by 2033. The structure is 3,545 ft (1,080.5 m) long and 34 ft wide.

CarriesIH35SB to SH45EB
CrossesSH 45
Location0.7 MI E of FM 1325
RouteInterstate 35
StateTexas
Coordinates30.48094, -97.6741
Functional classUrban Principal Arterial - Interstate

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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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 spans6 (+20 approach)
Design loadHS 20
Structure length3,545 ft (1,080.5 m)
Longest span261 ft (79.6 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,060 (2013)
Projected traffic93,070 by 2033
Trucks12%
Lanes on structure1
Traffic directionOne-way traffic
CarriesThird level (interchange)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH35SB to SH45EB over SH 45 built?

It was built in 2006, making it 19 years old in 2025.

What condition is IH35SB to SH45EB over SH 45 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 November 2023.

How much traffic does IH35SB to SH45EB over SH 45 carry?

About 58,060 vehicles per day (2013 count), of which roughly 12% are trucks.

How long is IH35SB to SH45EB over SH 45?

The structure is 3,545 ft (1,080.5 m) long with a longest span of 261 ft (79.6 m) and a deck 34 ft wide.

Who owns IH35SB to SH45EB over SH 45?

It is owned by the State Highway Agency.