US Bridges

Napco Drive over Pequabuck River

Good

Litchfield County, Connecticut · 0.5 MI E of Harwinton Ave · Structure no. 06129

Built
2024
1 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
550
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Napco Drive over Pequabuck River is a concrete culvert carrying Napco Drive over Pequabuck River in Litchfield County, Connecticut. It was built in 2024, so it is 1 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 550 vehicles a day, roughly 7% of them trucks, projected to reach 817 by 2044. The structure is 32 ft (9.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNapco Drive
CrossesPequabuck River
Location0.5 MI E of Harwinton Ave
RouteCity Street 0
Coordinates41.69017, -73.02339
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42.9 US tons
Inventory rating33.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length32 ft (9.9 m)
Longest span32 ft (9.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2024)
Projected traffic817 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$890,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Napco Drive over Pequabuck River built?

It was built in 2024, making it 1 years old in 2025.

What condition is Napco Drive over Pequabuck 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 October 2023.

How much traffic does Napco Drive over Pequabuck River carry?

About 550 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Napco Drive over Pequabuck River?

The structure is 32 ft (9.9 m) long with a longest span of 32 ft (9.9 m).

Who owns Napco Drive over Pequabuck River?

It is owned by the Town or Township Highway Agency.