Structure 6751 · San Juan Municipio County, PR

Pr 1 over Martin Pe¥a Channel

Carries Pr 1 over Martin Pe¥a Channel, 9.5 Km S E Of San Juan.

Overall conditionFair

Set by its lowest-rated component: Superstructure and Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT810 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 5/9 · sets the rating

810 ft end to end, longest span 99 ft: about 2.3 football fields. 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.

Built1953rebuilt 1959
Length810.0 ft246.9 m
Daily traffic35,900counted 2017
Last inspectedJune 2023every 24 months

Location

StatePuerto Rico
CountySan Juan Municipio
Location9.5 Km S E Of San Juan
CarriesPr 1
CrossesMartin Pe¥a Channel
Coordinates18.43325, -66.06042

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length810.0 ft (246.9 m)
Max Span98.8 ft (30.1 m)
Deck Width80.1 ft (24.4 m)
Deck Area6024.4 sq m
Main Spans20
Year Built1953 (reconstructed 1959)

Traffic

Avg Daily Traffic35,900 (2017)
Truck Traffic5%
Lanes On Bridge6

Inspection & Ownership

Last InspectionJune 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number006751

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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