US Bridges

SH 46 (loop 337) over Blieders Creek

Fair

Comal County, Texas · 2.9 MI NW of IH 35 · Structure no. 150460021601012

Built
1964
61 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
1 main span
Daily traffic
10,840
2023 count
Owner
State
State Highway Agency

About this bridge

SH 46 (loop 337) over Blieders Creek is a prestressed concrete stringer/multi-beam or girder carrying SH 46 (loop 337) over Blieders Creek in Comal County, Texas. It was built in 1964, so it is 61 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 10,840 vehicles a day, roughly 4% of them trucks, projected to reach 23,170 by 2033. The structure is 152 ft (46.3 m) long and 46 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSH 46 (loop 337)
CrossesBlieders Creek
Location2.9 MI NW of IH 35
RouteState Highway 46
StateTexas
Coordinates29.72963, -98.12216
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.
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 evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating34.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length152 ft (46.3 m)
Longest span60 ft (18.3 m)
Deck width46 ft (13.9 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,840 (2023)
Projected traffic23,170 by 2033
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 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 (loop 337) over Blieders Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is SH 46 (loop 337) over Blieders Creek 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 (loop 337) over Blieders Creek carry?

About 10,840 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SH 46 (loop 337) over Blieders Creek?

The structure is 152 ft (46.3 m) long with a longest span of 60 ft (18.3 m) and a deck 46 ft wide.

Who owns SH 46 (loop 337) over Blieders Creek?

It is owned by the State Highway Agency.