US Bridges

Route 197 over Muddy Brook

Fair

Windham County, Connecticut · .5 MI East of RTE 169 · Structure no. 05694

Built
1987
38 years old
Condition
Fair
inspected February 2025
Type
Slab
Prestressed Concrete
Length
34 ft
1 main span
Daily traffic
2,600
2019 count
Owner
State
State Highway Agency

About this bridge

Route 197 over Muddy Brook is a prestressed concrete slab carrying Route 197 over Muddy Brook in Windham County, Connecticut. It was built in 1987, so it is 38 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,600 vehicles a day, roughly 6% of them trucks, projected to reach 3,863 by 2039. The structure is 34 ft (10.4 m) long and 38 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRoute 197
CrossesMuddy Brook
Location.5 MI East of RTE 169
RouteState Highway 197
Coordinates41.99625, -71.98987
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating49.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span30 ft (9.1 m)
Deck width38 ft (11.5 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2019)
Projected traffic3,863 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Route 197 over Muddy Brook built?

It was built in 1987, making it 38 years old in 2025.

What condition is Route 197 over Muddy Brook in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does Route 197 over Muddy Brook carry?

About 2,600 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Route 197 over Muddy Brook?

The structure is 34 ft (10.4 m) long with a longest span of 30 ft (9.1 m) and a deck 38 ft wide.

Who owns Route 197 over Muddy Brook?

It is owned by the State Highway Agency.