US Bridges

IH35 SB to SH45 WB over SH 45 WB FR & Off Ramp

Fair

Williamson County, Texas · 0.70 MI E of FM 1325 · Structure no. 142460001509494

Built
2006
19 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
4,012 ft
7 main spans
Daily traffic
58,060
2013 count
Owner
State
State Highway Agency

About this bridge

IH35 SB to SH45 WB over SH 45 WB FR & Off Ramp is a steel continuous stringer/multi-beam or girder carrying IH35 SB to SH45 WB over SH 45 WB FR & Off Ramp 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 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 58,060 vehicles a day, roughly 12% of them trucks, projected to reach 93,070 by 2033. The structure is 4,012 ft (1,222.9 m) long and 38 ft wide.

CarriesIH35 SB to SH45 WB
CrossesSH 45 WB FR & Off Ramp
Location0.70 MI E of FM 1325
StateTexas
Coordinates30.48132, -97.67556
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 inspectionNovember 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 alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7 (+23 approach)
Design loadHS 20
Structure length4,012 ft (1,222.9 m)
Longest span210 ft (64 m)
Deck width38 ft (11.6 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic58,060 (2013)
Projected traffic93,070 by 2033
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesThird level (interchange)
CrossesHighway
Detour if closed—
TollOn a toll 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 IH35 SB to SH45 WB over SH 45 WB FR & Off Ramp built?

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

What condition is IH35 SB to SH45 WB over SH 45 WB FR & Off Ramp 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 November 2023.

How much traffic does IH35 SB to SH45 WB over SH 45 WB FR & Off Ramp carry?

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

How long is IH35 SB to SH45 WB over SH 45 WB FR & Off Ramp?

The structure is 4,012 ft (1,222.9 m) long with a longest span of 210 ft (64 m) and a deck 38 ft wide.

Who owns IH35 SB to SH45 WB over SH 45 WB FR & Off Ramp?

It is owned by the State Highway Agency.