US Bridges

New London Trnpk over Ashaway River

PoorPosted for load

Washington County, Rhode Island · 0.1 MI E of Conn Line · Structure no. 000000000000480

Built
1934
91 years old
Condition
Poor
inspected April 2024
Type
Slab
Concrete
Length
60 ft
2 main spans
Daily traffic
180
2021 count
Owner
State
State Highway Agency

About this bridge

New London Trnpk over Ashaway River is a concrete slab carrying New London Trnpk over Ashaway River in Washington County, Rhode Island. It was built in 1934, so it is 91 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 other load-capacity restriction.

It carries about 180 vehicles a day, roughly 19% of them trucks, projected to reach 198 by 2041. The structure is 60 ft (18.3 m) long and 53 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNew London Trnpk
CrossesAshaway River
Location0.1 MI E of Conn Line
RouteState Highway 0
Coordinates41.44329, -71.79626
Functional classRural Local

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating33.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckOther
Main spans2
Design loadH 20
Structure length60 ft (18.3 m)
Longest span25 ft (7.6 m)
Deck width53 ft (16.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2021)
Projected traffic198 by 2041
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$4.7 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was New London Trnpk over Ashaway River built?

It was built in 1934, making it 91 years old in 2025.

What condition is New London Trnpk over Ashaway 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 April 2024.

How much traffic does New London Trnpk over Ashaway River carry?

About 180 vehicles per day (2021 count), of which roughly 19% are trucks.

How long is New London Trnpk over Ashaway River?

The structure is 60 ft (18.3 m) long with a longest span of 25 ft (7.6 m) and a deck 53 ft wide.

Who owns New London Trnpk over Ashaway River?

It is owned by the State Highway Agency.