US Bridges

Route 66 over Natchaug River

Good

Windham County, Connecticut · .5 MI East JCT 195 & 14 · Structure no. 00490

Built
2020
5 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
174 ft
1 main span
Daily traffic
7,800
2016 count
Owner
State
State Highway Agency

About this bridge

Route 66 over Natchaug River is a steel stringer/multi-beam or girder carrying Route 66 over Natchaug River in Windham County, Connecticut. It was built in 2020, so it is 5 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 7,800 vehicles a day, roughly 6% of them trucks, projected to reach 11,590 by 2036. The structure is 174 ft (52.9 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesRoute 66
CrossesNatchaug River
Location.5 MI East JCT 195 & 14
RouteState Highway 66
CountyWindham County
StateConnecticut
Coordinates41.71983, -72.19563
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length174 ft (52.9 m)
Longest span170 ft (51.8 m)
Deck width43 ft (13 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2016)
Projected traffic11,590 by 2036
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$8.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 66 over Natchaug River built?

It was built in 2020, making it 5 years old in 2025.

What condition is Route 66 over Natchaug River 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 May 2023.

How much traffic does Route 66 over Natchaug River carry?

About 7,800 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is Route 66 over Natchaug River?

The structure is 174 ft (52.9 m) long with a longest span of 170 ft (51.8 m) and a deck 43 ft wide.

Who owns Route 66 over Natchaug River?

It is owned by the State Highway Agency.