US Bridges

Ri 146 NB over Ri 146A N Smithfield Exp

Good

Providence County, Rhode Island · 1.2 MI S of JCT Ri 104 · Structure no. 000000000004405

Built
2024
1 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
108 ft
1 main span
Daily traffic
42,500
2021 count
Owner
State
State Highway Agency

About this bridge

Ri 146 NB over Ri 146A N Smithfield Exp is a steel stringer/multi-beam or girder carrying Ri 146 NB over Ri 146A N Smithfield Exp in Providence County, Rhode Island. It was built in 2024, so it is 1 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 42,500 vehicles a day, roughly 10% of them trucks, projected to reach 46,750 by 2041. The structure is 108 ft (33 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesRi 146 NB
CrossesRi 146A N Smithfield Exp
Location1.2 MI S of JCT Ri 104
RouteState Highway 146
CountyProvidence County
StateRhode Island
Coordinates41.97031, -71.50872
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length108 ft (33 m)
Longest span103 ft (31.5 m)
Deck width73 ft (22.4 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42,500 (2021)
Projected traffic46,750 by 2041
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$5 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ri 146 NB over Ri 146A N Smithfield Exp built?

It was built in 2024, making it 1 years old in 2025.

What condition is Ri 146 NB over Ri 146A N Smithfield Exp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

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

About 42,500 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Ri 146 NB over Ri 146A N Smithfield Exp?

The structure is 108 ft (33 m) long with a longest span of 103 ft (31.5 m) and a deck 73 ft wide.

Who owns Ri 146 NB over Ri 146A N Smithfield Exp?

It is owned by the State Highway Agency.