US Bridges

North RD over Hemlock Brook

Fair

Providence County, Rhode Island · 0.3 MI W of JCT Ri 94 · Structure no. 000000000008780

Built
1950
75 years old, rebuilt 1993
Condition
Fair
inspected April 2023
Type
Slab
Wood or Timber
Length
23 ft
1 main span
Daily traffic
248
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

North RD over Hemlock Brook is a wood or timber slab carrying North RD over Hemlock Brook in Providence County, Rhode Island. It was built in 1950 and reconstructed in 1993, so it is 75 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 248 vehicles a day, roughly 4% of them trucks, projected to reach 273 by 2041. The structure is 23 ft (7 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNorth RD
CrossesHemlock Brook
Location0.3 MI W of JCT Ri 94
RouteCity Street 0
CountyProvidence County
StateRhode Island
Coordinates41.78944, -71.73683
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic248 (2021)
Projected traffic273 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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$7.9 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was North RD over Hemlock Brook built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1993.

What condition is North RD over Hemlock 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 April 2023.

How much traffic does North RD over Hemlock Brook carry?

About 248 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is North RD over Hemlock Brook?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 22 ft wide.

Who owns North RD over Hemlock Brook?

It is owned by the Town or Township Highway Agency.