US Bridges

SH 46 (lp 337) EB over Guadalupe River

Good

Comal County, Texas · 2.2 MI NW of IH 35 · Structure no. 150460021601017

Built
1967
58 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
370 ft
6 main spans
Daily traffic
18,852
2018 count
Owner
State
State Highway Agency

About this bridge

SH 46 (lp 337) EB over Guadalupe River is a prestressed concrete stringer/multi-beam or girder carrying SH 46 (lp 337) EB over Guadalupe River in Comal County, Texas. It was built in 1967, so it is 58 years old, older 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 18,852 vehicles a day, roughly 4% of them trucks, projected to reach 23,170 by 2033. The structure is 370 ft (112.8 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSH 46 (lp 337) EB
CrossesGuadalupe River
Location2.2 MI NW of IH 35
RouteState Highway 46
StateTexas
Coordinates29.72655, -98.11201
Functional classUrban Other Principal Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 20
Structure length370 ft (112.8 m)
Longest span65 ft (19.8 m)
Deck width35 ft (10.8 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,852 (2018)
Projected traffic23,170 by 2033
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 46 (lp 337) EB over Guadalupe River built?

It was built in 1967, making it 58 years old in 2025.

What condition is SH 46 (lp 337) EB 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 SH 46 (lp 337) EB over Guadalupe River carry?

About 18,852 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is SH 46 (lp 337) EB over Guadalupe River?

The structure is 370 ft (112.8 m) long with a longest span of 65 ft (19.8 m) and a deck 35 ft wide.

Who owns SH 46 (lp 337) EB over Guadalupe River?

It is owned by the State Highway Agency.