US Bridges

Route 97 over Mashamoquet Brook

Good

Windham County, Connecticut · 1 Mile North of Route 44 · Structure no. 02594

Built
2012
13 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
1,400
2019 count
Owner
State
State Highway Agency

About this bridge

Route 97 over Mashamoquet Brook is a steel stringer/multi-beam or girder carrying Route 97 over Mashamoquet Brook in Windham County, Connecticut. It was built in 2012, so it is 13 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,400 vehicles a day, roughly 6% of them trucks, projected to reach 2,080 by 2039. The structure is 60 ft (18.3 m) long and 36 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesRoute 97
CrossesMashamoquet Brook
Location1 Mile North of Route 44
RouteState Highway 97
CountyWindham County
StateConnecticut
Coordinates41.87388, -71.99843
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating61.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.3 m)
Longest span53 ft (16.2 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2019)
Projected traffic2,080 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Route 97 over Mashamoquet Brook built?

It was built in 2012, making it 13 years old in 2025.

What condition is Route 97 over Mashamoquet 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 April 2023.

How much traffic does Route 97 over Mashamoquet Brook carry?

About 1,400 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Route 97 over Mashamoquet Brook?

The structure is 60 ft (18.3 m) long with a longest span of 53 ft (16.2 m) and a deck 36 ft wide.

Who owns Route 97 over Mashamoquet Brook?

It is owned by the State Highway Agency.