Structure 241890095709016 · Presidio County, TX

FM 170 over Contrabando Creek

Carries FM 170 over Contrabando Creek, 43.6 Mi SE Of US 67 Bus.

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 FT120 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

120 ft end to end, longest span 40 ft. 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.

Built196165 years old
Length120.1 ft36.6 m
Daily traffic185counted 2020
Last inspectedMay 2023every 24 months

Location

StateTexas
CountyPresidio
Location43.6 Mi SE Of US 67 Bus
CarriesFM 170
CrossesContrabando Creek
Coordinates29.28040, -103.84293

Physical Characteristics

MaterialConcrete
DesignStringer/Multi-beam
Total Length120.1 ft (36.6 m)
Max Span40.0 ft (12.2 m)
Deck Width21.7 ft (6.6 m)
Deck Area241.6 sq m
Main Spans3
Year Built1961

Traffic

Avg Daily Traffic185 (2020)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical7 — Countermeasures installed
Structure Number241890095709016

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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