US Bridges

Shannock RD over AMTRAK

Fair

Washington County, Rhode Island · 0.3 MI N of JCT Ri 2 · Structure no. 000000000001490

Built
1931
94 years old, rebuilt 2000
Condition
Fair
inspected October 2023
Type
Slab
Wood or Timber
Length
105 ft
3 main spans
Daily traffic
1,314
2021 count
Owner
State
State Highway Agency

About this bridge

Shannock RD over AMTRAK is a wood or timber slab carrying Shannock RD over AMTRAK in Washington County, Rhode Island. It was built in 1931 and reconstructed in 2000, so it is 94 years old, older than the Rhode Island average of 54.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,314 vehicles a day, roughly 4% of them trucks, projected to reach 1,445 by 2041. The structure is 105 ft (32 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesShannock RD
CrossesAMTRAK
Location0.3 MI N of JCT Ri 2
RouteCity Street 0
CountyWashington County
StateRhode Island
Coordinates41.44599, -71.63416
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 25 or greater
Structure length105 ft (32 m)
Longest span35 ft (10.7 m)
Deck width41 ft (12.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,314 (2021)
Projected traffic1,445 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$6.3 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Shannock RD over AMTRAK built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2000.

What condition is Shannock RD over AMTRAK in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Shannock RD over AMTRAK carry?

About 1,314 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Shannock RD over AMTRAK?

The structure is 105 ft (32 m) long with a longest span of 35 ft (10.7 m) and a deck 41 ft wide.

Who owns Shannock RD over AMTRAK?

It is owned by the State Highway Agency.