US Bridges

Loop 337 SB over SH 46

Good

Comal County, Texas · 3.0 MI N of IH 35 · Structure no. 150460021502236

Built
2019
6 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
280 ft
1 main span
Daily traffic
18,900
2020 count
Owner
State
State Highway Agency

About this bridge

Loop 337 SB over SH 46 is a prestressed concrete stringer/multi-beam or girder carrying Loop 337 SB over SH 46 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 1 by 1900. The structure is 280 ft (85.3 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesLoop 337 SB
CrossesSH 46
Location3.0 MI N of IH 35
RouteState Highway 337
StateTexas
Coordinates29.71437, -98.15707
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.
Last inspectionJune 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadHL 93
Structure length280 ft (85.3 m)
Longest span125 ft (38.1 m)
Deck width40 ft (12.2 m)
Roadway width37 ft (11.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,900 (2020)
Projected traffic1 by 1900
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 SB over SH 46 built?

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

What condition is Loop 337 SB 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 2022.

How much traffic does Loop 337 SB over SH 46 carry?

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

How long is Loop 337 SB over SH 46?

The structure is 280 ft (85.3 m) long with a longest span of 125 ft (38.1 m) and a deck 40 ft wide.

Who owns Loop 337 SB over SH 46?

It is owned by the State Highway Agency.