US Bridges

Rhode Islnd Line R over Mary Brown Brook

Fair

Windham County, Connecticut · 0.2 Mile East of Route 44 · Structure no. 05613

Built
1987
38 years old
Condition
Fair
inspected September 2024
Type
Slab
Wood or Timber
Length
25 ft
1 main span
Daily traffic
107
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Rhode Islnd Line R over Mary Brown Brook is a wood or timber slab carrying Rhode Islnd Line R over Mary Brown Brook in Windham County, Connecticut. It was built in 1987, so it is 38 years old, younger than the Connecticut average of 56.7 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 107 vehicles a day, roughly 7% of them trucks, projected to reach 159 by 2044. The structure is 25 ft (7.7 m) long and 22 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRhode Islnd Line R
CrossesMary Brown Brook
Location0.2 Mile East of Route 44
RouteCity Street 0
Coordinates41.91753, -71.8041
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating44.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length25 ft (7.7 m)
Longest span23 ft (6.9 m)
Deck width22 ft (6.6 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic107 (2024)
Projected traffic159 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Rhode Islnd Line R over Mary Brown Brook built?

It was built in 1987, making it 38 years old in 2025.

What condition is Rhode Islnd Line R over Mary Brown 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 September 2024.

How much traffic does Rhode Islnd Line R over Mary Brown Brook carry?

About 107 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Rhode Islnd Line R over Mary Brown Brook?

The structure is 25 ft (7.7 m) long with a longest span of 23 ft (6.9 m) and a deck 22 ft wide.

Who owns Rhode Islnd Line R over Mary Brown Brook?

It is owned by the Town or Township Highway Agency.