US Bridges

Switch RD over Wood River

Fair

Washington County, Rhode Island · 2.0 MI S of JCT Ri 3 · Structure no. 000000000005660

Built
1969
56 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
95 ft
1 main span
Daily traffic
1,815
2021 count
Owner
State
State Highway Agency

About this bridge

Switch RD over Wood River is a prestressed concrete stringer/multi-beam or girder carrying Switch RD over Wood River in Washington County, Rhode Island. It was built in 1969, so it is 56 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 5 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 1,815 vehicles a day, roughly 14% of them trucks, projected to reach 1,997 by 2041. The structure is 95 ft (29 m) long and 50 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSwitch RD
CrossesWood River
Location2.0 MI S of JCT Ri 3
RouteCity Street 0
CountyWashington County
StateRhode Island
Coordinates41.49137, -71.71536
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.8 US tons
Inventory rating54.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length95 ft (29 m)
Longest span92 ft (28 m)
Deck width50 ft (15.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,815 (2021)
Projected traffic1,997 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$7 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Switch RD over Wood River built?

It was built in 1969, making it 56 years old in 2025.

What condition is Switch RD over Wood River 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 June 2023.

How much traffic does Switch RD over Wood River carry?

About 1,815 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is Switch RD over Wood River?

The structure is 95 ft (29 m) long with a longest span of 92 ft (28 m) and a deck 50 ft wide.

Who owns Switch RD over Wood River?

It is owned by the State Highway Agency.