US Bridges

School ST over Old Worc & Boston Canal

Fair

Providence County, Rhode Island · 0.8 MI W of JCT Ri 122 · Structure no. 000000000001630

Built
1887
138 years old, rebuilt 1996
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
64 ft
1 main span
Daily traffic
4,034
2021 count
Owner
State
State Highway Agency

About this bridge

School ST over Old Worc & Boston Canal is a steel stringer/multi-beam or girder carrying School ST over Old Worc & Boston Canal in Providence County, Rhode Island. It was built in 1887 and reconstructed in 1996, so it is 138 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 4,034 vehicles a day, roughly 6% of them trucks, projected to reach 4,437 by 2041. The structure is 64 ft (19.5 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSchool ST
CrossesOld Worc & Boston Canal
Location0.8 MI W of JCT Ri 122
RouteCity Street 0
Coordinates41.95242, -71.45334
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionNovember 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating45.7 US tons
Inventory rating35.4 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length64 ft (19.5 m)
Longest span58 ft (17.7 m)
Deck width32 ft (9.9 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,034 (2021)
Projected traffic4,437 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of relocation of road
Estimated improvement cost$3.1 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was School ST over Old Worc & Boston Canal built?

It was built in 1887, making it 138 years old in 2025. It was reconstructed in 1996.

What condition is School ST over Old Worc & Boston Canal 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 November 2023.

How much traffic does School ST over Old Worc & Boston Canal carry?

About 4,034 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is School ST over Old Worc & Boston Canal?

The structure is 64 ft (19.5 m) long with a longest span of 58 ft (17.7 m) and a deck 32 ft wide.

Who owns School ST over Old Worc & Boston Canal?

It is owned by the State Highway Agency.