US Bridges

Skilton Road over Nonewaug River

Good

Litchfield County, Connecticut · Off Guernseytown Road · Structure no. 04408

Built
1860
165 years old, rebuilt 2015
Condition
Good
inspected June 2023
Type
Arch - Deck
Concrete
Length
32 ft
1 main span
Daily traffic
394
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Skilton Road over Nonewaug River is a concrete arch - deck carrying Skilton Road over Nonewaug River in Litchfield County, Connecticut. It was built in 1860 and reconstructed in 2015, so it is 165 years old, older 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 394 vehicles a day, roughly 7% of them trucks, projected to reach 585 by 2043. The structure is 32 ft (9.8 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSkilton Road
CrossesNonewaug River
LocationOff Guernseytown Road
RouteCity Street 0
Coordinates41.62917, -73.15884
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating61.1 US tons
Inventory rating36.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.7 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic394 (2023)
Projected traffic585 by 2043
Trucks7%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Skilton Road over Nonewaug River built?

It was built in 1860, making it 165 years old in 2025. It was reconstructed in 2015.

What condition is Skilton Road over Nonewaug 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 June 2023.

How much traffic does Skilton Road over Nonewaug River carry?

About 394 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Skilton Road over Nonewaug River?

The structure is 32 ft (9.8 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns Skilton Road over Nonewaug River?

It is owned by the Town or Township Highway Agency.