US Bridges

Nonnewaug Road over East Spring Brook

Good

Litchfield County, Connecticut · 1.23 MI East of Route 61 · Structure no. 06121

Built
2021
4 years old
Condition
Good
inspected November 2023
Type
Arch - Deck
Concrete
Length
34 ft
1 main span
Daily traffic
253
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Nonnewaug Road over East Spring Brook is a concrete arch - deck carrying Nonnewaug Road over East Spring Brook in Litchfield County, Connecticut. It was built in 2021, so it is 4 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 253 vehicles a day, roughly 7% of them trucks, projected to reach 376 by 2043. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNonnewaug Road
CrossesEast Spring Brook
Location1.23 MI East of Route 61
RouteCity Street 0
Coordinates41.62743, -73.18518
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
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span32 ft (9.8 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic253 (2023)
Projected traffic376 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Nonnewaug Road over East Spring Brook built?

It was built in 2021, making it 4 years old in 2025.

What condition is Nonnewaug Road over East Spring Brook 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 November 2023.

How much traffic does Nonnewaug Road over East Spring Brook carry?

About 253 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Nonnewaug Road over East Spring Brook?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.8 m) and a deck 28 ft wide.

Who owns Nonnewaug Road over East Spring Brook?

It is owned by the Town or Township Highway Agency.