US Bridges

Noroton Avenue over Metro-North Railroad

Fair

Fairfield County, Connecticut · 330 Ft North of I-95 · Structure no. 03694

Built
1900
125 years old, rebuilt 1992
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
14,800
2023 count
Owner
Unknown
Unknown

About this bridge

Noroton Avenue over Metro-North Railroad is a prestressed concrete box beam or girders - multiple carrying Noroton Avenue over Metro-North Railroad in Fairfield County, Connecticut. It was built in 1900 and reconstructed in 1992, 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 14,800 vehicles a day, roughly 7% of them trucks, projected to reach 21,991 by 2043. The structure is 60 ft (18.4 m) long and 57 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNoroton Avenue
CrossesMetro-North Railroad
Location330 Ft North of I-95
RouteCity Street 0
Coordinates41.06903, -73.49107
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating36 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length60 ft (18.4 m)
Longest span52 ft (16 m)
Deck width57 ft (17.5 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,800 (2023)
Projected traffic21,991 by 2043
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
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 Noroton Avenue over Metro-North Railroad built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1992.

What condition is Noroton Avenue 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 October 2024.

How much traffic does Noroton Avenue over Metro-North Railroad carry?

About 14,800 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Noroton Avenue over Metro-North Railroad?

The structure is 60 ft (18.4 m) long with a longest span of 52 ft (16 m) and a deck 57 ft wide.

Who owns Noroton Avenue over Metro-North Railroad?

It is owned by the Unknown and maintained by the State Highway Agency.