US Bridges

Slater ST over I-95 NB & SB

Fair

Providence County, Rhode Island · 2.0 MI N of JCT Ri 146 · Structure no. 000000000005450

Built
1964
61 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
122 ft
2 main spans
Daily traffic
600
2008 count
Owner
State
State Highway Agency

About this bridge

Slater ST over I-95 NB & SB is a prestressed concrete stringer/multi-beam or girder carrying Slater ST over I-95 NB & SB in Providence County, Rhode Island. It was built in 1964, so it is 61 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 5 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 600 vehicles a day, roughly 10% of them trucks, projected to reach 720 by 2036. The structure is 122 ft (37.2 m) long and 46 ft wide.

Location

Open in Google Maps
CarriesSlater ST
CrossesI-95 NB & SB
Location2.0 MI N of JCT Ri 146
RouteCity Street 0
CountyProvidence County
StateRhode Island
Coordinates41.87217, -71.39619
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating50.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length122 ft (37.2 m)
Longest span57 ft (17.4 m)
Deck width46 ft (14 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2008)
Projected traffic720 by 2036
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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$8.3 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Slater ST over I-95 NB & SB built?

It was built in 1964, making it 61 years old in 2025.

What condition is Slater ST over I-95 NB & SB 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 October 2023.

How much traffic does Slater ST over I-95 NB & SB carry?

About 600 vehicles per day (2008 count), of which roughly 10% are trucks.

How long is Slater ST over I-95 NB & SB?

The structure is 122 ft (37.2 m) long with a longest span of 57 ft (17.4 m) and a deck 46 ft wide.

Who owns Slater ST over I-95 NB & SB?

It is owned by the State Highway Agency.