US Bridges

US Route 1 over Metro North Railroad

Fair

New Haven County, Connecticut · 2.5 MI S of I-95 · Structure no. 05809

Built
1933
92 years old, rebuilt 1988
Condition
Fair
inspected January 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
181 ft
3 main spans
Daily traffic
13,536
2023 count
Owner
State
State Highway Agency

About this bridge

US Route 1 over Metro North Railroad is a prestressed concrete box beam or girders - multiple carrying US Route 1 over Metro North Railroad in New Haven County, Connecticut. It was built in 1933 and reconstructed in 1988, so it is 92 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.

It carries about 13,536 vehicles a day, roughly 6% of them trucks, projected to reach 20,113 by 2043. The structure is 181 ft (55.3 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS Route 1
CrossesMetro North Railroad
Location2.5 MI S of I-95
RouteU.S. Route 1
Coordinates41.21522, -73.07656
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating30.3 US tons
Inventory rating15.8 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length181 ft (55.3 m)
Longest span84 ft (25.7 m)
Deck width61 ft (18.5 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,536 (2023)
Projected traffic20,113 by 2043
Trucks6%
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 1933, making it 92 years old in 2025. It was reconstructed in 1988.

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 January 2023.

How much traffic does US Route 1 over Metro North Railroad carry?

About 13,536 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US Route 1 over Metro North Railroad?

The structure is 181 ft (55.3 m) long with a longest span of 84 ft (25.7 m) and a deck 61 ft wide.

Who owns US Route 1 over Metro North Railroad?

It is owned by the State Highway Agency.