US Bridges

IH 35 Nbml over SH 46

Good

Comal County, Texas · 1.15 MI NE of FM 725 · Structure no. 150460001604234

Built
2008
17 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
275 ft
2 main spans
Daily traffic
56,266
2019 count
Owner
State
State Highway Agency

About this bridge

IH 35 Nbml over SH 46 is a prestressed concrete stringer/multi-beam or girder carrying IH 35 Nbml over SH 46 in Comal County, Texas. It was built in 2008, so it is 17 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 56,266 vehicles a day, roughly 20% of them trucks, projected to reach 47,600 by 2030. The structure is 275 ft (83.8 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 35 Nbml
CrossesSH 46
Location1.15 MI NE of FM 725
RouteInterstate 35
StateTexas
Coordinates29.70026, -98.09368
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: 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 spans2 (+1 approach)
Design loadHS 20
Structure length275 ft (83.8 m)
Longest span111 ft (33.8 m)
Deck width78 ft (23.7 m)
Roadway width76 ft (23.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56,266 (2019)
Projected traffic47,600 by 2030
Trucks20%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH 35 Nbml over SH 46 built?

It was built in 2008, making it 17 years old in 2025.

What condition is IH 35 Nbml over SH 46 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 June 2024.

How much traffic does IH 35 Nbml over SH 46 carry?

About 56,266 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is IH 35 Nbml over SH 46?

The structure is 275 ft (83.8 m) long with a longest span of 111 ft (33.8 m) and a deck 78 ft wide.

Who owns IH 35 Nbml over SH 46?

It is owned by the State Highway Agency.