US Bridges

IH 35 Nbfr over Lampasas River

Good

Bell County, Texas · 2.25 MI SW of Loop 121 · Structure no. 090140001506533

Built
2011
14 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
480 ft
3 main spans
Daily traffic
534
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35 Nbfr over Lampasas River is a prestressed concrete stringer/multi-beam or girder carrying IH 35 Nbfr over Lampasas River in Bell County, Texas. It was built in 2011, so it is 14 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 534 vehicles a day, roughly 3% of them trucks, projected to reach 550 by 2030. The structure is 480 ft (146.3 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIH 35 Nbfr
CrossesLampasas River
Location2.25 MI SW of Loop 121
RouteInterstate 35
StateTexas
Coordinates31.00153, -97.49162
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 spans3 (+2 approach)
Design loadHL 93
Structure length480 ft (146.3 m)
Longest span120 ft (36.6 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic534 (2023)
Projected traffic550 by 2030
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Lampasas River built?

It was built in 2011, making it 14 years old in 2025.

What condition is IH 35 Nbfr over Lampasas 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 March 2023.

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

About 534 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is IH 35 Nbfr over Lampasas River?

The structure is 480 ft (146.3 m) long with a longest span of 120 ft (36.6 m) and a deck 34 ft wide.

Who owns IH 35 Nbfr over Lampasas River?

It is owned by the State Highway Agency.