US Bridges

Cartbridge Road over Saugatuck River

Good

Fairfield County, Connecticut · 300 West Lyons Plains RD · Structure no. 05347

Built
2008
17 years old
Condition
Good
inspected February 2024
Type
Arch - Deck
Concrete
Length
40 ft
1 main span
Daily traffic
2,570
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Cartbridge Road over Saugatuck River is a concrete arch - deck carrying Cartbridge Road over Saugatuck River in Fairfield County, Connecticut. It was built in 2008, so it is 17 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 2,570 vehicles a day, roughly 4% of them trucks, projected to reach 3,819 by 2044. The structure is 40 ft (12.2 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCartbridge Road
CrossesSaugatuck River
Location300 West Lyons Plains RD
RouteCity Street 0
Coordinates41.2073, -73.35037
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
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating63.6 US tons
Inventory rating56.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckOther
Main spans1
Design loadHL 93
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,570 (2024)
Projected traffic3,819 by 2044
Trucks4%
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 Cartbridge Road over Saugatuck River built?

It was built in 2008, making it 17 years old in 2025.

What condition is Cartbridge Road over Saugatuck 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 February 2024.

How much traffic does Cartbridge Road over Saugatuck River carry?

About 2,570 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Cartbridge Road over Saugatuck River?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 33 ft wide.

Who owns Cartbridge Road over Saugatuck River?

It is owned by the Town or Township Highway Agency.