Structure 1970 · Washington County, RI

US 1 Tower Hill RD over W.c. Oneill Bike Path

Carries US 1 Tower Hill RD over W.c. Oneill Bike Path, 0.2 Mi N Of Jct Ri 108.

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

24 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 rigid-frame bridge.

Built195373 years old
Length23.6 ft7.2 m
Daily traffic29,600counted 2021
Last inspectedAugust 2023every 24 months

Location

StateRhode Island
CountyWashington
Location0.2 Mi N Of Jct Ri 108
CarriesUS 1 Tower Hill RD
CrossesW.c. Oneill Bike Path
Coordinates41.43799, -71.48167

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length23.6 ft (7.2 m)
Max Span20.0 ft (6.1 m)
Deck Width94.2 ft (28.7 m)
Deck Area206.6 sq m
Main Spans1
Year Built1953

Traffic

Avg Daily Traffic29,600 (2021)
Lanes On Bridge4

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000001970

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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