US Bridges

SR 664 over Snake Meadow Brook

PoorPosted for load

Windham County, Connecticut · 3 MI North of Route 14 · Structure no. 01647

Built
1925
100 years old, rebuilt 1972
Condition
Poor
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
600
2019 count
Owner
State
State Highway Agency

About this bridge

SR 664 over Snake Meadow Brook is a steel stringer/multi-beam or girder carrying SR 664 over Snake Meadow Brook in Windham County, Connecticut. It was built in 1925 and reconstructed in 1972, so it is 100 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. Its operating status is: posted for load restriction.

It carries about 600 vehicles a day, roughly 5% of them trucks, projected to reach 892 by 2039. The structure is 28 ft (8.5 m) long and 20 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 664
CrossesSnake Meadow Brook
Location3 MI North of Route 14
RouteState Highway 664
Coordinates41.75904, -71.85075
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating16.1 US tons
Inventory rating12.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span21 ft (6.4 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2019)
Projected traffic892 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 664 over Snake Meadow Brook built?

It was built in 1925, making it 100 years old in 2025. It was reconstructed in 1972.

What condition is SR 664 over Snake Meadow 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 2023.

How much traffic does SR 664 over Snake Meadow Brook carry?

About 600 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is SR 664 over Snake Meadow Brook?

The structure is 28 ft (8.5 m) long with a longest span of 21 ft (6.4 m) and a deck 20 ft wide.

Who owns SR 664 over Snake Meadow Brook?

It is owned by the State Highway Agency.