Structure 150460021601018 · Comal County, TX

SH 46 (loop 337) over Union Pacific Railroad

Carries SH 46 (loop 337) over Union Pacific Railroad, 0.5 Mi NW Of Church Hill.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT325 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

325 ft end to end, longest span 70 ft: about 5 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built1967rebuilt 2001
Length325.1 ft99.1 m
Daily traffic29,197counted 2020
Last inspectedJune 2024every 24 months

Location

StateTexas
CountyComal
Location0.5 Mi NW Of Church Hill
CarriesSH 46 (loop 337)
CrossesUnion Pacific Railroad
Coordinates29.70764, -98.10048

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length325.1 ft (99.1 m)
Max Span69.9 ft (21.3 m)
Deck Width86.0 ft (26.2 m)
Deck Area2596.4 sq m
Main Spans5
Year Built1967 (reconstructed 2001)

Traffic

Avg Daily Traffic29,197 (2020)
Truck Traffic4%
Lanes On Bridge4

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour CriticalNot applicable
Structure Number150460021601018

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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