US Bridges

Route 106 over Private Road

Fair

Fairfield County, Connecticut · 0.8 MI N of US Route 1 · Structure no. 04399

Built
1900
125 years old, rebuilt 1982
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
14,100
2020 count
Owner
State
State Highway Agency

About this bridge

Route 106 over Private Road is a prestressed concrete slab carrying Route 106 over Private Road in Fairfield County, Connecticut. It was built in 1900 and reconstructed in 1982, so it is 125 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 14,100 vehicles a day, roughly 6% of them trucks, projected to reach 20,951 by 2040. The structure is 44 ft (13.5 m) long and 51 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 106
CrossesPrivate Road
Location0.8 MI N of US Route 1
RouteState Highway 106
Coordinates41.07025, -73.51624
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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating36.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length44 ft (13.5 m)
Longest span41 ft (12.6 m)
Deck width51 ft (15.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,100 (2020)
Projected traffic20,951 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 106 over Private Road built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1982.

What condition is Route 106 over Private Road 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 October 2023.

How much traffic does Route 106 over Private Road carry?

About 14,100 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Route 106 over Private Road?

The structure is 44 ft (13.5 m) long with a longest span of 41 ft (12.6 m) and a deck 51 ft wide.

Who owns Route 106 over Private Road?

It is owned by the State Highway Agency.