US Bridges

Tatnic Road over Stony Brook

Good

Windham County, Connecticut · 100 Ft E JCT Mason Road · Structure no. 04595

Built
2000
25 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
69 ft
3 main spans
Daily traffic
1,345
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Tatnic Road over Stony Brook is a steel stringer/multi-beam or girder carrying Tatnic Road over Stony Brook in Windham County, Connecticut. It was built in 2000, so it is 25 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,345 vehicles a day, roughly 7% of them trucks, projected to reach 1,999 by 2043. The structure is 69 ft (21 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesTatnic Road
CrossesStony Brook
Location100 Ft E JCT Mason Road
RouteCity Street 0
CountyWindham County
StateConnecticut
Coordinates41.78173, -71.96227
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.6 US tons
Inventory rating76.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length69 ft (21 m)
Longest span29 ft (8.8 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,345 (2023)
Projected traffic1,999 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Tatnic Road over Stony Brook built?

It was built in 2000, making it 25 years old in 2025.

What condition is Tatnic Road over Stony 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 February 2025.

How much traffic does Tatnic Road over Stony Brook carry?

About 1,345 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Tatnic Road over Stony Brook?

The structure is 69 ft (21 m) long with a longest span of 29 ft (8.8 m) and a deck 34 ft wide.

Who owns Tatnic Road over Stony Brook?

It is owned by the Town or Township Highway Agency.