US Bridges

IH 35 Sbml over Brazos River

Good

McLennan County, Texas · 0.26 MI NE of University · Structure no. 091610001501733

Built
2021
4 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
620 ft
3 main spans
Daily traffic
125,400
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35 Sbml over Brazos River is a steel continuous box beam or girders - multiple carrying IH 35 Sbml over Brazos River in McLennan County, Texas. It was built in 2021, so it is 4 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 125,400 vehicles a day, projected to reach 1 by 1900. The structure is 620 ft (189 m) long and 72 ft wide.

Location

Open in Google Maps
CarriesIH 35 Sbml
CrossesBrazos River
Location0.26 MI NE of University
RouteInterstate 35
CountyMcLennan County
StateTexas
Coordinates31.55744, -97.11923
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length620 ft (189 m)
Longest span250 ft (76.2 m)
Deck width72 ft (21.9 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125,400 (2019)
Projected traffic1 by 1900
Trucks—
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 35 Sbml over Brazos River built?

It was built in 2021, making it 4 years old in 2025.

What condition is IH 35 Sbml over Brazos 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 April 2023.

How much traffic does IH 35 Sbml over Brazos River carry?

About 125,400 vehicles per day (2019 count).

How long is IH 35 Sbml over Brazos River?

The structure is 620 ft (189 m) long with a longest span of 250 ft (76.2 m) and a deck 72 ft wide.

Who owns IH 35 Sbml over Brazos River?

It is owned by the State Highway Agency.