US Bridges

High ST over Pascoag River

Poor

Providence County, Rhode Island · 0.1 MI W of Main ST · Structure no. 000000000001980

Built
1865
160 years old, rebuilt 1925
Condition
Poor
inspected September 2024
Type
Arch - Deck
Masonry
Length
34 ft
2 main spans
Daily traffic
5,800
2021 count
Owner
State
State Highway Agency

About this bridge

High ST over Pascoag River is a masonry arch - deck carrying High ST over Pascoag River in Providence County, Rhode Island. It was built in 1865 and reconstructed in 1925, so it is 160 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.

It carries about 5,800 vehicles a day, roughly 7% of them trucks, projected to reach 6,380 by 2041. The structure is 34 ft (10.4 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesHigh ST
CrossesPascoag River
Location0.1 MI W of Main ST
RouteState Highway 100
CountyProvidence County
StateRhode Island
Coordinates41.95572, -71.70312
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
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.8 US tons
Inventory rating49.1 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span14 ft (4.3 m)
Deck width40 ft (12.3 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2021)
Projected traffic6,380 by 2041
Trucks7%
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 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was High ST over Pascoag River built?

It was built in 1865, making it 160 years old in 2025. It was reconstructed in 1925.

What condition is High ST over Pascoag 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 2024.

How much traffic does High ST over Pascoag River carry?

About 5,800 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is High ST over Pascoag River?

The structure is 34 ft (10.4 m) long with a longest span of 14 ft (4.3 m) and a deck 40 ft wide.

Who owns High ST over Pascoag River?

It is owned by the State Highway Agency.