US Bridges

Route 15 over Route 106

FairPosted for load

Fairfield County, Connecticut · Route 15 Exit No. 36 · Structure no. 00709

Built
1937
88 years old, rebuilt 1994
Condition
Fair
inspected July 2024
Type
Frame
Concrete
Length
48 ft
1 main span
Daily traffic
70,400
2022 count
Owner
State
State Highway Agency

About this bridge

Route 15 over Route 106 is a concrete frame carrying Route 15 over Route 106 in Fairfield County, Connecticut. It was built in 1937 and reconstructed in 1994, so it is 88 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 70,400 vehicles a day, roughly 1% of them trucks, projected to reach 104,607 by 2042. The structure is 48 ft (14.6 m) long and 96 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 15
CrossesRoute 106
LocationRoute 15 Exit No. 36
RouteState Highway 15
Coordinates41.11719, -73.49934
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans1
Design loadH 20
Structure length48 ft (14.6 m)
Longest span48 ft (14.6 m)
Deck width96 ft (29.2 m)
Roadway width89 ft (27.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70,400 (2022)
Projected traffic104,607 by 2042
Trucks1%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
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 statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 15 over Route 106 built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 1994.

What condition is Route 15 over Route 106 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 July 2024.

How much traffic does Route 15 over Route 106 carry?

About 70,400 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Route 15 over Route 106?

The structure is 48 ft (14.6 m) long with a longest span of 48 ft (14.6 m) and a deck 96 ft wide.

Who owns Route 15 over Route 106?

It is owned by the State Highway Agency.