US Bridges

Stillwater Road over Harris Brook

Good

Providence County, Rhode Island · 0.2 MI W of Limerock RD · Structure no. 000000000012300

Built
2015
10 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
1,486
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Stillwater Road over Harris Brook is a prestressed concrete slab carrying Stillwater Road over Harris Brook in Providence County, Rhode Island. It was built in 2015, so it is 10 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 1,486 vehicles a day, roughly 5% of them trucks, projected to reach 1,635 by 2041. The structure is 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesStillwater Road
CrossesHarris Brook
Location0.2 MI W of Limerock RD
RouteCity Street 0
CountyProvidence County
StateRhode Island
Coordinates41.89894, -71.50989
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating62.8 US tons
Inventory rating48.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span38 ft (11.7 m)
Deck width25 ft (7.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,486 (2021)
Projected traffic1,635 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 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$309,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stillwater Road over Harris Brook built?

It was built in 2015, making it 10 years old in 2025.

What condition is Stillwater Road over Harris Brook 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 June 2023.

How much traffic does Stillwater Road over Harris Brook carry?

About 1,486 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Stillwater Road over Harris Brook?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.7 m) and a deck 25 ft wide.

Who owns Stillwater Road over Harris Brook?

It is owned by the Town or Township Highway Agency.