US Bridges

South Main ST over Pawtuxet River SW Branch

Fair

Kent County, Rhode Island · 0.01 MI S of JCT Ri 117 · Structure no. 000000000000320

Built
1919
106 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Concrete
Length
60 ft
1 main span
Daily traffic
9,625
2015 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

South Main ST over Pawtuxet River SW Branch is a concrete arch - deck carrying South Main ST over Pawtuxet River SW Branch in Kent County, Rhode Island. It was built in 1919, so it is 106 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 9,625 vehicles a day, roughly 10% of them trucks, projected to reach 11,550 by 2036. The structure is 60 ft (18.3 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSouth Main ST
CrossesPawtuxet River SW Branch
Location0.01 MI S of JCT Ri 117
RouteCity Street 0
Coordinates41.69005, -71.56662
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating102.8 US tons
Inventory rating79.3 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span60 ft (18.3 m)
Deck width40 ft (12.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,625 (2015)
Projected traffic11,550 by 2036
Trucks10%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.6 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Main ST over Pawtuxet River SW Branch built?

It was built in 1919, making it 106 years old in 2025.

What condition is South Main ST over Pawtuxet River SW Branch 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 March 2024.

How much traffic does South Main ST over Pawtuxet River SW Branch carry?

About 9,625 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is South Main ST over Pawtuxet River SW Branch?

The structure is 60 ft (18.3 m) long with a longest span of 60 ft (18.3 m) and a deck 40 ft wide.

Who owns South Main ST over Pawtuxet River SW Branch?

It is owned by the Town or Township Highway Agency.