US Bridges

Route 100 over US Route 1 & AMTRAK RR

Fair

New Haven County, Connecticut · 0.1 Mile South of I-95 · Structure no. 06293

Built
1992
33 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
164 ft
2 main spans
Daily traffic
15,600
2021 count
Owner
State
State Highway Agency

About this bridge

Route 100 over US Route 1 & AMTRAK RR is a steel continuous stringer/multi-beam or girder carrying Route 100 over US Route 1 & AMTRAK RR in New Haven County, Connecticut. It was built in 1992, so it is 33 years old, younger 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 15,600 vehicles a day, roughly 5% of them trucks, projected to reach 23,180 by 2041. The structure is 164 ft (50.1 m) long and 70 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRoute 100
CrossesUS Route 1 & AMTRAK RR
Location0.1 Mile South of I-95
RouteState Highway 100
Coordinates41.28249, -72.87084
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length164 ft (50.1 m)
Longest span96 ft (29.3 m)
Deck width70 ft (21.3 m)
Roadway width52 ft (16 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,600 (2021)
Projected traffic23,180 by 2041
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 Route 100 over US Route 1 & AMTRAK RR built?

It was built in 1992, making it 33 years old in 2025.

What condition is Route 100 over US Route 1 & AMTRAK RR 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 March 2024.

How much traffic does Route 100 over US Route 1 & AMTRAK RR carry?

About 15,600 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Route 100 over US Route 1 & AMTRAK RR?

The structure is 164 ft (50.1 m) long with a longest span of 96 ft (29.3 m) and a deck 70 ft wide.

Who owns Route 100 over US Route 1 & AMTRAK RR?

It is owned by the State Highway Agency.