Structure 17301 · Coamo Municipio County, PR

Local Road over Descalabrado River

Carries Local Road over Descalabrado River, Off Pr 150.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 3 of 9.

How ratings work
Deck4/9 · Poor
Superstructure4/9 · Poor
Substructuresets the rating3/9 · Serious
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT67 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 4/9Substructure 3/9 · sets the rating

67 ft end to end, longest span 31 ft. Lengths and the car 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.

Built197056 years old
Length66.6 ft20.3 m
Daily traffic100counted 2005
Last inspectedMarch 2025every 6 months

Location

StatePuerto Rico
CountyCoamo Municipio
LocationOff Pr 150
CarriesLocal Road
CrossesDescalabrado River
Coordinates18.08622, -66.41209

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length66.6 ft (20.3 m)
Max Span30.5 ft (9.3 m)
Deck Width19.4 ft (5.9 m)
Deck Area119.8 sq m
Main Spans2
Year Built1970

Traffic

Avg Daily Traffic100 (2005)
Truck Traffic2%
Lanes On Bridge1

Inspection & Ownership

Last InspectionMarch 2025
Inspection FrequencyEvery 6 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number017301

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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