Structure 140160095404002 · Blanco County, TX

FM 1320 over Pedernales River

Carries FM 1320 over Pedernales River, 1.9 Mi N Of US 290 W.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT161 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

161 ft end to end, longest span 10 ft: about 2 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 slab bridge.

Built1936rebuilt 1968
Length161.1 ft49.1 m
Daily traffic337counted 2020
Last inspectedApril 2023every 24 months

Location

StateTexas
CountyBlanco
Location1.9 Mi N Of US 290 W
CarriesFM 1320
CrossesPedernales River
Coordinates30.27217, -98.54554

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length161.1 ft (49.1 m)
Max Span9.8 ft (3 m)
Deck Width27.2 ft (8.3 m)
Deck Area407.5 sq m
Main Spans16
Year Built1936 (reconstructed 1968)

Traffic

Avg Daily Traffic337 (2020)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical5 — Stable for scour
Structure Number140160095404002

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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