US Bridges

Loop 337 WB over Guadalupe River

Good

Comal County, Texas · 2.2 MI NW of IH 35 · Structure no. 150460021601218

Built
2019
6 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
700 ft
5 main spans
Daily traffic
18,900
2020 count
Owner
State
State Highway Agency

About this bridge

Loop 337 WB over Guadalupe River is a prestressed concrete stringer/multi-beam or girder carrying Loop 337 WB over Guadalupe River in Comal County, Texas. It was built in 2019, so it is 6 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 18,900 vehicles a day, roughly 4% of them trucks, projected to reach 28,100 by 2040. The structure is 700 ft (213.4 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLoop 337 WB
CrossesGuadalupe River
Location2.2 MI NW of IH 35
RouteState Highway 337
StateTexas
Coordinates29.72667, -98.11195
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.
Substructure8 Very GoodNo problems noted.
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 evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal 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 spans5 (+1 approach)
Design loadHL 93
Structure length700 ft (213.4 m)
Longest span153 ft (46.6 m)
Deck width47 ft (14.3 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,900 (2020)
Projected traffic28,100 by 2040
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Loop 337 WB over Guadalupe River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Loop 337 WB 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 Loop 337 WB over Guadalupe River carry?

About 18,900 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Loop 337 WB over Guadalupe River?

The structure is 700 ft (213.4 m) long with a longest span of 153 ft (46.6 m) and a deck 47 ft wide.

Who owns Loop 337 WB over Guadalupe River?

It is owned by the State Highway Agency.