US Bridges

Folly Lane over Skungamaug River

Good

Tolland County, Connecticut · 400FT FR JCT North Rv · Structure no. 04632

Built
2020
5 years old
Condition
Good
inspected July 2023
Type
Slab
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
137
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Folly Lane over Skungamaug River is a prestressed concrete slab carrying Folly Lane over Skungamaug River in Tolland 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 137 vehicles a day, roughly 7% of them trucks, projected to reach 204 by 2043. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFolly Lane
CrossesSkungamaug River
Location400FT FR JCT North Rv
RouteCity Street 0
Coordinates41.8244, -72.35239
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span46 ft (14 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic137 (2023)
Projected traffic204 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Folly Lane over Skungamaug River built?

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

What condition is Folly Lane over Skungamaug 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 July 2023.

How much traffic does Folly Lane over Skungamaug River carry?

About 137 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Folly Lane over Skungamaug River?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 28 ft wide.

Who owns Folly Lane over Skungamaug River?

It is owned by the Town or Township Highway Agency.