US Bridges

US Route 1 over Metro North Railroad

Fair

Fairfield County, Connecticut · Near Exit 23 - Route 95 · Structure no. 05794

Built
1938
87 years old, rebuilt 1989
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
11,100
2022 count
Owner
State
State Highway Agency

About this bridge

US Route 1 over Metro North Railroad is a prestressed concrete stringer/multi-beam or girder carrying US Route 1 over Metro North Railroad in Fairfield County, Connecticut. It was built in 1938 and reconstructed in 1989, so it is 87 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 11,100 vehicles a day, roughly 9% of them trucks, projected to reach 16,493 by 2042. The structure is 152 ft (46.4 m) long and 58 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS Route 1
CrossesMetro North Railroad
LocationNear Exit 23 - Route 95
RouteU.S. Route 1
CountyFairfield County
StateConnecticut
Coordinates41.15363, -73.2442
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 inspectionDecember 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 alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length152 ft (46.4 m)
Longest span67 ft (20.5 m)
Deck width58 ft (17.8 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,100 (2022)
Projected traffic16,493 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 US Route 1 over Metro North Railroad built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1989.

What condition is US Route 1 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 US Route 1 over Metro North Railroad carry?

About 11,100 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is US Route 1 over Metro North Railroad?

The structure is 152 ft (46.4 m) long with a longest span of 67 ft (20.5 m) and a deck 58 ft wide.

Who owns US Route 1 over Metro North Railroad?

It is owned by the State Highway Agency.