US Bridges

IH 35 over Brushy Creek

Fair

Williamson County, Texas · 0.2 MI N of FM 620 · Structure no. 142460001509179

Built
1960
65 years old, rebuilt 1990
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
445 ft
8 main spans
Daily traffic
131,906
2020 count
Owner
State
State Highway Agency

About this bridge

IH 35 over Brushy Creek is a steel continuous stringer/multi-beam or girder carrying IH 35 over Brushy Creek in Williamson County, Texas. It was built in 1960 and reconstructed in 1990, so it is 65 years old, older 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 131,906 vehicles a day, roughly 12% of them trucks, projected to reach 207,493 by 2039. The structure is 445 ft (135.6 m) long and 124 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIH 35
CrossesBrushy Creek
Location0.2 MI N of FM 620
RouteInterstate 35
StateTexas
Coordinates30.51304, -97.687
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: 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 spans8
Design loadHS 20
Structure length445 ft (135.6 m)
Longest span75 ft (22.9 m)
Deck width124 ft (37.9 m)
Roadway width120 ft (36.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic131,906 (2020)
Projected traffic207,493 by 2039
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 over Brushy Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1990.

What condition is IH 35 over Brushy Creek 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 over Brushy Creek carry?

About 131,906 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is IH 35 over Brushy Creek?

The structure is 445 ft (135.6 m) long with a longest span of 75 ft (22.9 m) and a deck 124 ft wide.

Who owns IH 35 over Brushy Creek?

It is owned by the State Highway Agency.