US Bridges

Manton Av over Woonasquatucket River

PoorPosted for load

Providence County, Rhode Island · 1.0 MI W of JCT Ri 10 · Structure no. 000000000005130

Built
1951
74 years old
Condition
Poor
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
56 ft
1 main span
Daily traffic
19,384
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Manton Av over Woonasquatucket River is a steel stringer/multi-beam or girder carrying Manton Av over Woonasquatucket River in Providence County, Rhode Island. It was built in 1951, so it is 74 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 19,384 vehicles a day, roughly 4% of them trucks, projected to reach 21,322 by 2041. The structure is 56 ft (17.2 m) long and 52 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesManton Av
CrossesWoonasquatucket River
Location1.0 MI W of JCT Ri 10
RouteCity Street 0
Coordinates41.81719, -71.44364
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment7: Better than present minimum criteria
Operating rating41.4 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length56 ft (17.2 m)
Longest span53 ft (16.2 m)
Deck width52 ft (16 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,384 (2021)
Projected traffic21,322 by 2041
Trucks4%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
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$4.4 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Manton Av over Woonasquatucket River built?

It was built in 1951, making it 74 years old in 2025.

What condition is Manton Av over Woonasquatucket River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2023.

How much traffic does Manton Av over Woonasquatucket River carry?

About 19,384 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Manton Av over Woonasquatucket River?

The structure is 56 ft (17.2 m) long with a longest span of 53 ft (16.2 m) and a deck 52 ft wide.

Who owns Manton Av over Woonasquatucket River?

It is owned by the City or Municipal Highway Agency.