US Bridges

IH 35 Sbfr over N San Gabriel River

Good

Williamson County, Texas · 0.2 MI S of FM 2338 · Structure no. 142460001508412

Built
1988
37 years old, rebuilt 2021
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,020 ft
16 main spans
Daily traffic
23,955
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35 Sbfr over N San Gabriel River is a prestressed concrete stringer/multi-beam or girder carrying IH 35 Sbfr over N San Gabriel River in Williamson County, Texas. It was built in 1988 and reconstructed in 2021, so it is 37 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 23,955 vehicles a day, roughly 3% of them trucks, projected to reach 28,190 by 2033. The structure is 1,020 ft (310.9 m) long and 68 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 Sbfr
CrossesN San Gabriel River
Location0.2 MI S of FM 2338
RouteInterstate 35
StateTexas
Coordinates30.64653, -97.68385
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans16
Design loadHS 20
Structure length1,020 ft (310.9 m)
Longest span65 ft (19.8 m)
Deck width68 ft (20.6 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,955 (2023)
Projected traffic28,190 by 2033
Trucks3%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$89,000
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 Sbfr over N San Gabriel River built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 2021.

What condition is IH 35 Sbfr over N San Gabriel River 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 January 2023.

How much traffic does IH 35 Sbfr over N San Gabriel River carry?

About 23,955 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is IH 35 Sbfr over N San Gabriel River?

The structure is 1,020 ft (310.9 m) long with a longest span of 65 ft (19.8 m) and a deck 68 ft wide.

Who owns IH 35 Sbfr over N San Gabriel River?

It is owned by the State Highway Agency.