US Bridges

East Putnam Road over Mary Brown Brook

Poor

Windham County, Connecticut · .5 Mile South of Route 44 · Structure no. 05658

Built
1955
70 years old
Condition
Poor
inspected April 2024
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
684
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

East Putnam Road over Mary Brown Brook is a steel culvert carrying East Putnam Road over Mary Brown Brook in Windham County, Connecticut. It was built in 1955, so it is 70 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 684 vehicles a day, roughly 6% of them trucks, projected to reach 1,016 by 2044. The structure is 30 ft (9.1 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesEast Putnam Road
CrossesMary Brown Brook
Location.5 Mile South of Route 44
RouteCity Street 0
Coordinates41.91295, -71.81749
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating86.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span13 ft (4 m)
Deck width37 ft (11.2 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic684 (2024)
Projected traffic1,016 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was East Putnam Road over Mary Brown Brook built?

It was built in 1955, making it 70 years old in 2025.

What condition is East Putnam Road over Mary Brown Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does East Putnam Road over Mary Brown Brook carry?

About 684 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is East Putnam Road over Mary Brown Brook?

The structure is 30 ft (9.1 m) long with a longest span of 13 ft (4 m) and a deck 37 ft wide.

Who owns East Putnam Road over Mary Brown Brook?

It is owned by the Town or Township Highway Agency.