US Bridges

Acorn ST over Woonasquatucket River

Fair

Providence County, Rhode Island · 0.1 MI W of P Valley Pkwy · Structure no. 000000000007050

Built
1987
38 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
65 ft
1 main span
Daily traffic
4,502
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Acorn ST over Woonasquatucket River is a steel stringer/multi-beam or girder carrying Acorn ST over Woonasquatucket River in Providence County, Rhode Island. It was built in 1987, so it is 38 years old, younger 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 4,502 vehicles a day, roughly 2% of them trucks, projected to reach 4,952 by 2041. The structure is 65 ft (19.7 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesAcorn ST
CrossesWoonasquatucket River
Location0.1 MI W of P Valley Pkwy
RouteCity Street 0
CountyProvidence County
StateRhode Island
Coordinates41.82865, -71.42862
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
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 inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating35.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length65 ft (19.7 m)
Longest span59 ft (18 m)
Deck width43 ft (13 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,502 (2021)
Projected traffic4,952 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$4 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Acorn ST over Woonasquatucket River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Acorn ST over Woonasquatucket 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 October 2023.

How much traffic does Acorn ST over Woonasquatucket River carry?

About 4,502 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Acorn ST over Woonasquatucket River?

The structure is 65 ft (19.7 m) long with a longest span of 59 ft (18 m) and a deck 43 ft wide.

Who owns Acorn ST over Woonasquatucket River?

It is owned by the City or Municipal Highway Agency.