US Bridges

Dean ST over US 6 Harris Av & AMTRAK

PoorPosted for load

Providence County, Rhode Island · O.5 MI S of JCT I-95 US 6 · Structure no. 000000000007760

Built
1972
53 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
480 ft
6 main spans
Daily traffic
31,112
2021 count
Owner
State
State Highway Agency

About this bridge

Dean ST over US 6 Harris Av & AMTRAK is a steel stringer/multi-beam or girder carrying Dean ST over US 6 Harris Av & AMTRAK in Providence County, Rhode Island. It was built in 1972, so it is 53 years old, younger 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 load restriction.

It carries about 31,112 vehicles a day, roughly 12% of them trucks, projected to reach 34,223 by 2041. The structure is 480 ft (146.3 m) long and 88 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDean ST
CrossesUS 6 Harris Av & AMTRAK
LocationO.5 MI S of JCT I-95 US 6
RouteCity Street 0
Coordinates41.82594, -71.42594
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating27.9 US tons
Inventory rating21.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length480 ft (146.3 m)
Longest span126 ft (38.4 m)
Deck width88 ft (26.8 m)
Roadway width75 ft (22.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,112 (2021)
Projected traffic34,223 by 2041
Trucks12%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$7.5 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dean ST over US 6 Harris Av & AMTRAK built?

It was built in 1972, making it 53 years old in 2025.

What condition is Dean ST over US 6 Harris Av & AMTRAK 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 November 2023.

How much traffic does Dean ST over US 6 Harris Av & AMTRAK carry?

About 31,112 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Dean ST over US 6 Harris Av & AMTRAK?

The structure is 480 ft (146.3 m) long with a longest span of 126 ft (38.4 m) and a deck 88 ft wide.

Who owns Dean ST over US 6 Harris Av & AMTRAK?

It is owned by the State Highway Agency.