Structure 150460025303053 · Comal County, TX

US 281 Nbml over SH 46

Carries US 281 Nbml over SH 46, 3.9 Mi N Of FM 1863.

Overall conditionGood

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

How ratings work
Deck8/9 · Very 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 FT215 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 7/9 · sets the rating

215 ft end to end: about 3 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.

Built197848 years old
Length214.9 ft65.5 m
Daily traffic13,669counted 2020
Last inspectedJune 2022every 48 months

Location

StateTexas
CountyComal
Location3.9 Mi N Of FM 1863
CarriesUS 281 Nbml
CrossesSH 46
Coordinates29.79766, -98.41913

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length214.9 ft (65.5 m)
Max Span125.0 ft (38.1 m)
Deck Width44.3 ft (13.5 m)
Deck Area884.2 sq m
Main Spans1
Year Built1978

Traffic

Avg Daily Traffic13,669 (2020)
Truck Traffic4%
Lanes On Bridge2
Lanes Under Bridge8

Inspection & Ownership

Last InspectionJune 2022
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number150460025303053

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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