US Bridges

Route 15 over Metro-North Railroad

FairPosted for load

Fairfield County, Connecticut · 0.2 MI N of US Route 7 · Structure no. 00720

Built
1937
88 years old
Condition
Fair
inspected December 2024
Type
Frame
Concrete
Length
37 ft
1 main span
Daily traffic
51,000
2022 count
Owner
State
State Highway Agency

About this bridge

Route 15 over Metro-North Railroad is a concrete frame carrying Route 15 over Metro-North Railroad in Fairfield County, Connecticut. It was built in 1937, 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 5 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 51,000 vehicles a day, projected to reach 75,781 by 2042. The structure is 37 ft (11.3 m) long and 106 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesRoute 15
CrossesMetro-North Railroad
Location0.2 MI N of US Route 7
RouteState Highway 15
Coordinates41.14224, -73.42804
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity 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 rating63.2 US tons
Inventory rating49.6 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length37 ft (11.3 m)
Longest span37 ft (11.3 m)
Deck width106 ft (32.2 m)
Roadway width60 ft (18.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51,000 (2022)
Projected traffic75,781 by 2042
Trucks0%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 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 Metro-North Railroad built?

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

What condition is Route 15 over Metro-North Railroad 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 December 2024.

How much traffic does Route 15 over Metro-North Railroad carry?

About 51,000 vehicles per day (2022 count).

How long is Route 15 over Metro-North Railroad?

The structure is 37 ft (11.3 m) long with a longest span of 37 ft (11.3 m) and a deck 106 ft wide.

Who owns Route 15 over Metro-North Railroad?

It is owned by the State Highway Agency.