US Bridges

US Route 1 over Saugatuck River

Fair

Fairfield County, Connecticut · 50 Ft East of Junction 33 · Structure no. 06137

Built
1992
33 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
312 ft
4 main spans
Daily traffic
16,700
2021 count
Owner
State
State Highway Agency

About this bridge

US Route 1 over Saugatuck River is a steel continuous stringer/multi-beam or girder carrying US Route 1 over Saugatuck River in Fairfield County, Connecticut. It was built in 1992, so it is 33 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 16,700 vehicles a day, roughly 4% of them trucks, projected to reach 24,815 by 2041. The structure is 312 ft (95.2 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS Route 1
CrossesSaugatuck River
Location50 Ft East of Junction 33
RouteU.S. Route 1
Coordinates41.14094, -73.3632
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.2 US tons
Inventory rating45 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length312 ft (95.2 m)
Longest span77 ft (23.5 m)
Deck width66 ft (20 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,700 (2021)
Projected traffic24,815 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US Route 1 over Saugatuck River built?

It was built in 1992, making it 33 years old in 2025.

What condition is US Route 1 over Saugatuck River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does US Route 1 over Saugatuck River carry?

About 16,700 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is US Route 1 over Saugatuck River?

The structure is 312 ft (95.2 m) long with a longest span of 77 ft (23.5 m) and a deck 66 ft wide.

Who owns US Route 1 over Saugatuck River?

It is owned by the State Highway Agency.