US Bridges

Route 106 over Noroton River

Fair

Fairfield County, Connecticut · 1.3 Mile N. of US Route 1 · Structure no. 01681

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
125 ft
2 main spans
Daily traffic
8,300
2020 count
Owner
State
State Highway Agency

About this bridge

Route 106 over Noroton River is a steel stringer/multi-beam or girder carrying Route 106 over Noroton River in Fairfield County, Connecticut. It was built in 1968, so it is 57 years old, older 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 5 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 8,300 vehicles a day, roughly 4% of them trucks, projected to reach 12,333 by 2040. The structure is 125 ft (38.1 m) long and 53 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRoute 106
CrossesNoroton River
Location1.3 Mile N. of US Route 1
RouteState Highway 106
CountyFairfield County
StateConnecticut
Coordinates41.07537, -73.51561
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span60 ft (18.3 m)
Deck width53 ft (16.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2020)
Projected traffic12,333 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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 Route 106 over Noroton River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Route 106 over Noroton 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 August 2023.

How much traffic does Route 106 over Noroton River carry?

About 8,300 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Route 106 over Noroton River?

The structure is 125 ft (38.1 m) long with a longest span of 60 ft (18.3 m) and a deck 53 ft wide.

Who owns Route 106 over Noroton River?

It is owned by the State Highway Agency.