US Bridges

Ri 4 NB & SB over Lafayette RD

Good

Washington County, Rhode Island · 0.7 MI S of JCT Ri 2 · Structure no. 000000000007815

Built
2019
6 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
82 ft
1 main span
Daily traffic
64,455
2018 count
Owner
State
State Highway Agency

About this bridge

Ri 4 NB & SB over Lafayette RD is a steel stringer/multi-beam or girder carrying Ri 4 NB & SB over Lafayette RD in Washington County, Rhode Island. It was built in 2019, so it is 6 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 64,455 vehicles a day, roughly 3% of them trucks, projected to reach 67,574 by 2036. The structure is 82 ft (24.9 m) long and 86 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesRi 4 NB & SB
CrossesLafayette RD
Location0.7 MI S of JCT Ri 2
RouteState Highway 4
CountyWashington County
StateRhode Island
Coordinates41.57155, -71.49313
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating45.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length82 ft (24.9 m)
Longest span80 ft (24.3 m)
Deck width86 ft (26.1 m)
Roadway width78 ft (23.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64,455 (2018)
Projected traffic67,574 by 2036
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$3.3 million (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ri 4 NB & SB over Lafayette RD built?

It was built in 2019, making it 6 years old in 2025.

What condition is Ri 4 NB & SB over Lafayette RD 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 2023.

How much traffic does Ri 4 NB & SB over Lafayette RD carry?

About 64,455 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Ri 4 NB & SB over Lafayette RD?

The structure is 82 ft (24.9 m) long with a longest span of 80 ft (24.3 m) and a deck 86 ft wide.

Who owns Ri 4 NB & SB over Lafayette RD?

It is owned by the State Highway Agency.