US Bridges

Ri 4 NB & SB over Stony Lane Scrbbltwn Brk

Fair

Washington County, Rhode Island · 0.7 MI S of JCT Ri 2 · Structure no. 000000000007680

Built
1988
37 years old, rebuilt 1991
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
2 main spans
Daily traffic
63,500
2021 count
Owner
State
State Highway Agency

About this bridge

Ri 4 NB & SB over Stony Lane Scrbbltwn Brk is a steel continuous stringer/multi-beam or girder carrying Ri 4 NB & SB over Stony Lane Scrbbltwn Brk in Washington County, Rhode Island. It was built in 1988 and reconstructed in 1991, so it is 37 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 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 63,500 vehicles a day, roughly 16% of them trucks, projected to reach 69,850 by 2041. The structure is 140 ft (42.7 m) long and 87 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRi 4 NB & SB
CrossesStony Lane Scrbbltwn Brk
Location0.7 MI S of JCT Ri 2
RouteState Highway 4
CountyWashington County
StateRhode Island
Coordinates41.59448, -71.49884
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating30.3 US tons
Inventory rating21.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length140 ft (42.7 m)
Longest span78 ft (23.7 m)
Deck width87 ft (26.5 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,500 (2021)
Projected traffic69,850 by 2041
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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$9.9 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ri 4 NB & SB over Stony Lane Scrbbltwn Brk built?

It was built in 1988, making it 37 years old in 2025. It was reconstructed in 1991.

What condition is Ri 4 NB & SB over Stony Lane Scrbbltwn Brk 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 April 2024.

How much traffic does Ri 4 NB & SB over Stony Lane Scrbbltwn Brk carry?

About 63,500 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is Ri 4 NB & SB over Stony Lane Scrbbltwn Brk?

The structure is 140 ft (42.7 m) long with a longest span of 78 ft (23.7 m) and a deck 87 ft wide.

Who owns Ri 4 NB & SB over Stony Lane Scrbbltwn Brk?

It is owned by the State Highway Agency.