US Bridges

IH 35 Nbfr over Brazos River

Good

McLennan County, Texas · 2.5 MI N of Lp 396 · Structure no. 091610001501635

Built
2014
11 years old
Condition
Good
inspected February 2023
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
620 ft
1 main span
Daily traffic
122,200
2013 count
Owner
State
State Highway Agency

About this bridge

IH 35 Nbfr over Brazos River is a steel continuous box beam or girders - multiple carrying IH 35 Nbfr over Brazos River in McLennan County, Texas. It was built in 2014, so it is 11 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 122,200 vehicles a day, roughly 10% of them trucks, projected to reach 173,500 by 2033. The structure is 620 ft (189 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 Nbfr
CrossesBrazos River
Location2.5 MI N of Lp 396
RouteState Highway 35
StateTexas
Coordinates31.55723, -97.11868
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 inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being 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

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHL 93
Structure length620 ft (189 m)
Longest span250 ft (76.2 m)
Deck width56 ft (17.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic122,200 (2013)
Projected traffic173,500 by 2033
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
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 Nbfr over Brazos River built?

It was built in 2014, making it 11 years old in 2025.

What condition is IH 35 Nbfr 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 February 2023.

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

About 122,200 vehicles per day (2013 count), of which roughly 10% are trucks.

How long is IH 35 Nbfr over Brazos River?

The structure is 620 ft (189 m) long with a longest span of 250 ft (76.2 m) and a deck 56 ft wide.

Who owns IH 35 Nbfr over Brazos River?

It is owned by the State Highway Agency.