US Bridges

US 6A Dnlson Pike over Moswansicut River

Fair

Providence County, Rhode Island · 0.2 MI W of JCT Ri 116 · Structure no. 000000000000930

Built
1921
104 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
40 ft
1 main span
Daily traffic
4,718
2021 count
Owner
State
State Highway Agency

About this bridge

US 6A Dnlson Pike over Moswansicut River is a concrete tee beam carrying US 6A Dnlson Pike over Moswansicut River in Providence County, Rhode Island. It was built in 1921, so it is 104 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 4,718 vehicles a day, roughly 11% of them trucks, projected to reach 5,190 by 2041. The structure is 40 ft (12.2 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesUS 6A Dnlson Pike
CrossesMoswansicut River
Location0.2 MI W of JCT Ri 116
RouteU.S. Route 6
CountyProvidence County
StateRhode Island
Coordinates41.83276, -71.59346
Functional classRural Major 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.
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 protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating55 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length40 ft (12.2 m)
Longest span36 ft (11 m)
Deck width50 ft (15.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,718 (2021)
Projected traffic5,190 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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$2.9 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 6A Dnlson Pike over Moswansicut River built?

It was built in 1921, making it 104 years old in 2025.

What condition is US 6A Dnlson Pike over Moswansicut 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 2024.

How much traffic does US 6A Dnlson Pike over Moswansicut River carry?

About 4,718 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is US 6A Dnlson Pike over Moswansicut River?

The structure is 40 ft (12.2 m) long with a longest span of 36 ft (11 m) and a deck 50 ft wide.

Who owns US 6A Dnlson Pike over Moswansicut River?

It is owned by the State Highway Agency.