US Bridges

Ri 120 Nt Whpl HWY over Ash Swamp Brook

Fair

Providence County, Rhode Island · 0.1 MI W of JCT Ri 114 · Structure no. 000000000006920

Built
1961
64 years old, rebuilt 1987
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
7,380
2021 count
Owner
State
State Highway Agency

About this bridge

Ri 120 Nt Whpl HWY over Ash Swamp Brook is a concrete slab carrying Ri 120 Nt Whpl HWY over Ash Swamp Brook in Providence County, Rhode Island. It was built in 1961 and reconstructed in 1987, so it is 64 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 6 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 7,380 vehicles a day, roughly 5% of them trucks, projected to reach 8,118 by 2041. The structure is 23 ft (7 m) long and 57 ft wide.

CarriesRi 120 Nt Whpl HWY
CrossesAsh Swamp Brook
Location0.1 MI W of JCT Ri 114
RouteState Highway 120
Coordinates41.98283, -71.4111
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating30.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width57 ft (17.4 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,380 (2021)
Projected traffic8,118 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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$1.9 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ri 120 Nt Whpl HWY over Ash Swamp Brook built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1987.

What condition is Ri 120 Nt Whpl HWY over Ash Swamp Brook 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 August 2024.

How much traffic does Ri 120 Nt Whpl HWY over Ash Swamp Brook carry?

About 7,380 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ri 120 Nt Whpl HWY over Ash Swamp Brook?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 57 ft wide.

Who owns Ri 120 Nt Whpl HWY over Ash Swamp Brook?

It is owned by the State Highway Agency.