Structure 18772 · Guaynabo Municipio County, PR

Pr 20 Northbound over Pr 199

Carries Pr 20 Northbound over Pr 199, 200 Mts E Int Pr838 &.

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 FT193 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

193 ft end to end, longest span 97 ft: 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.

Built198739 years old
Length193.2 ft58.9 m
Daily traffic38,300counted 2017
Last inspectedFebruary 2023every 24 months

Location

StatePuerto Rico
CountyGuaynabo Municipio
Location200 Mts E Int Pr838 &
CarriesPr 20 Northbound
CrossesPr 199
Coordinates18.36203, -66.10831

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length193.2 ft (58.9 m)
Max Span96.8 ft (29.5 m)
Deck Width64.6 ft (19.7 m)
Deck Area1160.3 sq m
Main Spans2
Year Built1987

Traffic

Avg Daily Traffic38,300 (2017)
Truck Traffic4%
Lanes On Bridge4
Lanes Under Bridge7

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number018772

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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