US Bridges

Ponagansett RD over Ponagansett River

FairPosted for load

Providence County, Rhode Island · 0.5 MI N of JCT Ri 102 · Structure no. 000000000003890

Built
1922
103 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
71
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Ponagansett RD over Ponagansett River is a concrete continuous slab carrying Ponagansett RD over Ponagansett River in Providence County, Rhode Island. It was built in 1922, so it is 103 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. Its operating status is: posted for load restriction.

It carries about 71 vehicles a day, roughly 10% of them trucks, projected to reach 78 by 2041. The structure is 48 ft (14.6 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPonagansett RD
CrossesPonagansett River
Location0.5 MI N of JCT Ri 102
RouteCity Street 0
Coordinates41.79318, -71.67326
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionSeptember 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating30.3 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length48 ft (14.6 m)
Longest span15 ft (4.6 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic71 (2021)
Projected traffic78 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$1.6 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ponagansett RD over Ponagansett River built?

It was built in 1922, making it 103 years old in 2025.

What condition is Ponagansett RD over Ponagansett 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 September 2024.

How much traffic does Ponagansett RD over Ponagansett River carry?

About 71 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Ponagansett RD over Ponagansett River?

The structure is 48 ft (14.6 m) long with a longest span of 15 ft (4.6 m) and a deck 23 ft wide.

Who owns Ponagansett RD over Ponagansett River?

It is owned by the Town or Township Highway Agency.