US Bridges

Ri 146A Great RD over Slatersville Sec RR

Good

Providence County, Rhode Island · 1.0 MI S of JCT Ri 104 · Structure no. 000000000001075

Built
2021
4 years old
Condition
Good
inspected October 2024
Type
Frame
Concrete
Length
38 ft
1 main span
Daily traffic
11,741
2021 count
Owner
State
State Highway Agency

About this bridge

Ri 146A Great RD over Slatersville Sec RR is a concrete frame carrying Ri 146A Great RD over Slatersville Sec RR in Providence County, Rhode Island. It was built in 2021, so it is 4 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,741 vehicles a day, roughly 5% of them trucks, projected to reach 12,915 by 2041. The structure is 38 ft (11.6 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRi 146A Great RD
CrossesSlatersville Sec RR
Location1.0 MI S of JCT Ri 104
RouteState Highway 146A
CountyProvidence County
StateRhode Island
Coordinates41.99412, -71.53972
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length38 ft (11.6 m)
Longest span35 ft (10.7 m)
Deck width45 ft (13.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,741 (2021)
Projected traffic12,915 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed0.6 mi (1 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$2.5 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ri 146A Great RD over Slatersville Sec RR built?

It was built in 2021, making it 4 years old in 2025.

What condition is Ri 146A Great RD over Slatersville Sec RR 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 October 2024.

How much traffic does Ri 146A Great RD over Slatersville Sec RR carry?

About 11,741 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ri 146A Great RD over Slatersville Sec RR?

The structure is 38 ft (11.6 m) long with a longest span of 35 ft (10.7 m) and a deck 45 ft wide.

Who owns Ri 146A Great RD over Slatersville Sec RR?

It is owned by the State Highway Agency.