US Bridges

Bosworth Road over Mashamoquet Brook

Poor

Windham County, Connecticut · 800 North of Route 101 · Structure no. 05350

Built
1950
75 years old, rebuilt 2000
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
18
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Bosworth Road over Mashamoquet Brook is a steel stringer/multi-beam or girder carrying Bosworth Road over Mashamoquet Brook in Windham County, Connecticut. It was built in 1950 and reconstructed in 2000, so it is 75 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 4 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 18 vehicles a day, roughly 1% of them trucks, projected to reach 27 by 2044. The structure is 31 ft (9.4 m) long and 18 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesBosworth Road
CrossesMashamoquet Brook
Location800 North of Route 101
RouteCity Street 0
Coordinates41.85776, -71.95468
Functional classRural Local

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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.2 US tons
Inventory rating45.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span27 ft (8.2 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18 (2024)
Projected traffic27 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bosworth Road over Mashamoquet Brook built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2000.

What condition is Bosworth Road over Mashamoquet 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 December 2023.

How much traffic does Bosworth Road over Mashamoquet Brook carry?

About 18 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Bosworth Road over Mashamoquet Brook?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.2 m) and a deck 18 ft wide.

Who owns Bosworth Road over Mashamoquet Brook?

It is owned by the Town or Township Highway Agency.