Structure 3720 · Washington County, RI

Ri 138 Kngstown RD over Amtrak & Access RD

Carries Ri 138 Kngstown RD over Amtrak & Access RD, 1.2 Mi E Of Jct Ri 2.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT145 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

145 ft end to end: about 2 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.

Built193690 years old
Length145.0 ft44.2 m
Daily traffic12,300counted 2021
Last inspectedJanuary 2024every 12 months

Location

StateRhode Island
CountyWashington
Location1.2 Mi E Of Jct Ri 2
CarriesRi 138 Kngstown RD
CrossesAmtrak & Access RD
Coordinates41.48464, -71.55996

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length145.0 ft (44.2 m)
Max Span66.9 ft (20.4 m)
Deck Width52.5 ft (16 m)
Deck Area707.2 sq m
Main Spans1
Year Built1936

Traffic

Avg Daily Traffic12,300 (2021)
Truck Traffic3%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000003720

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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