US Bridges

IH 35 NB Ml over Guadalupe River

Good

Comal County, Texas · 0.2 MI N of Seguin RD · Structure no. 150460001604219

Built
2003
22 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
971 ft
7 main spans
Daily traffic
8,661
2023 count
Owner
State
State Highway Agency

About this bridge

IH 35 NB Ml over Guadalupe River is a prestressed concrete stringer/multi-beam or girder carrying IH 35 NB Ml over Guadalupe River in Comal County, Texas. It was built in 2003, so it is 22 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 8,661 vehicles a day, roughly 18% of them trucks, projected to reach 55,750 by 2030. The structure is 971 ft (296 m) long and 70 ft wide.

CarriesIH 35 NB Ml
CrossesGuadalupe River
Location0.2 MI N of Seguin RD
RouteInterstate 35
StateTexas
Coordinates29.69305, -98.10683
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
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 spans7
Design loadHS 20
Structure length971 ft (296 m)
Longest span151 ft (46 m)
Deck width70 ft (21.3 m)
Roadway width67 ft (20.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,661 (2023)
Projected traffic55,750 by 2030
Trucks18%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
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 NB Ml over Guadalupe River built?

It was built in 2003, making it 22 years old in 2025.

What condition is IH 35 NB Ml over Guadalupe 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 June 2024.

How much traffic does IH 35 NB Ml over Guadalupe River carry?

About 8,661 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is IH 35 NB Ml over Guadalupe River?

The structure is 971 ft (296 m) long with a longest span of 151 ft (46 m) and a deck 70 ft wide.

Who owns IH 35 NB Ml over Guadalupe River?

It is owned by the State Highway Agency.