US Bridges

SH 46 (lp 337) EB over UP RR & Gruene Loop

Fair

Comal County, Texas · 2.5 MI NW of IH 35 · Structure no. 150460021601016

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

About this bridge

SH 46 (lp 337) EB over UP RR & Gruene Loop is a prestressed concrete stringer/multi-beam or girder carrying SH 46 (lp 337) EB over UP RR & Gruene Loop 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 18,852 vehicles a day, roughly 4% of them trucks, projected to reach 23,170 by 2033. The structure is 270 ft (82.3 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesSH 46 (lp 337) EB
CrossesUP RR & Gruene Loop
Location2.5 MI NW of IH 35
RouteState Highway 46
CountyComal County
StateTexas
Coordinates29.72933, -98.11796
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length270 ft (82.3 m)
Longest span75 ft (22.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.9 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
CrossesHighway and railroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 46 (lp 337) EB over UP RR & Gruene Loop built?

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

What condition is SH 46 (lp 337) EB over UP RR & Gruene Loop in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does SH 46 (lp 337) EB over UP RR & Gruene Loop carry?

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

How long is SH 46 (lp 337) EB over UP RR & Gruene Loop?

The structure is 270 ft (82.3 m) long with a longest span of 75 ft (22.9 m) and a deck 35 ft wide.

Who owns SH 46 (lp 337) EB over UP RR & Gruene Loop?

It is owned by the State Highway Agency.