US Bridges

Ri 146A Great RD over Ri 146 N Smithfield Exp

Fair

Providence County, Rhode Island · 3.7 MI N of JCT Ri 104 · Structure no. 000000000004470

Built
1959
66 years old, rebuilt 2009
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
150 ft
2 main spans
Daily traffic
15,600
2021 count
Owner
State
State Highway Agency

About this bridge

Ri 146A Great RD over Ri 146 N Smithfield Exp is a steel continuous stringer/multi-beam or girder carrying Ri 146A Great RD over Ri 146 N Smithfield Exp in Providence County, Rhode Island. It was built in 1959 and reconstructed in 2009, so it is 66 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 6 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 15,600 vehicles a day, roughly 5% of them trucks, projected to reach 17,160 by 2041. The structure is 150 ft (45.8 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRi 146A Great RD
CrossesRi 146 N Smithfield Exp
Location3.7 MI N of JCT Ri 104
RouteState Highway 146A
CountyProvidence County
StateRhode Island
Coordinates42.00216, -71.56066
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating26.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length150 ft (45.8 m)
Longest span72 ft (21.9 m)
Deck width54 ft (16.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,600 (2021)
Projected traffic17,160 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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$12 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ri 146A Great RD over Ri 146 N Smithfield Exp built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2009.

What condition is Ri 146A Great RD over Ri 146 N Smithfield Exp 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 September 2023.

How much traffic does Ri 146A Great RD over Ri 146 N Smithfield Exp carry?

About 15,600 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ri 146A Great RD over Ri 146 N Smithfield Exp?

The structure is 150 ft (45.8 m) long with a longest span of 72 ft (21.9 m) and a deck 54 ft wide.

Who owns Ri 146A Great RD over Ri 146 N Smithfield Exp?

It is owned by the State Highway Agency.