US Bridges

Brook Trail over Flat River

Fair

Washington County, Rhode Island · Exter-Arcadia Mgt Area 9 · Structure no. 000000000007890

Built
2010
15 years old
Condition
Fair
inspected August 2023
Type
Slab
Wood or Timber
Length
33 ft
1 main span
Daily traffic
34
2021 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Brook Trail over Flat River is a wood or timber slab carrying Brook Trail over Flat River in Washington County, Rhode Island. It was built in 2010, so it is 15 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 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 34 vehicles a day, roughly 16% of them trucks, projected to reach 37 by 2041. The structure is 33 ft (10.1 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBrook Trail
CrossesFlat River
LocationExter-Arcadia Mgt Area 9
RouteState Lands Road 0
Coordinates41.57938, -71.71884
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.6 US tons
Inventory rating29.7 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHL 93
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34 (2021)
Projected traffic37 by 2041
Trucks16%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$228,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Brook Trail over Flat River built?

It was built in 2010, making it 15 years old in 2025.

What condition is Brook Trail over Flat River 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 2023.

How much traffic does Brook Trail over Flat River carry?

About 34 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is Brook Trail over Flat River?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 16 ft wide.

Who owns Brook Trail over Flat River?

It is owned by the State Park, Forest, or Reservation Agency.