US Bridges

Route 15 over AMTRAK Railroad

FairPosted for load

New Haven County, Connecticut · 600 Ft South of Route 5 · Structure no. 00795

Built
1947
78 years old, rebuilt 1989
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
77 ft
1 main span
Daily traffic
65,800
2022 count
Owner
State
State Highway Agency

About this bridge

Route 15 over AMTRAK Railroad is a steel stringer/multi-beam or girder carrying Route 15 over AMTRAK Railroad in New Haven County, Connecticut. It was built in 1947 and reconstructed in 1989, so it is 78 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. Its operating status is: posted for other load-capacity restriction.

It carries about 65,800 vehicles a day, roughly 8% of them trucks, projected to reach 97,772 by 2042. The structure is 77 ft (23.5 m) long and 102 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRoute 15
CrossesAMTRAK Railroad
Location600 Ft South of Route 5
RouteState Highway 15
Coordinates41.49091, -72.81026
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating88.2 US tons
Inventory rating68.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span72 ft (21.9 m)
Deck width102 ft (31.2 m)
Roadway width94 ft (28.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,800 (2022)
Projected traffic97,772 by 2042
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 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 Route 15 over AMTRAK Railroad built?

It was built in 1947, making it 78 years old in 2025. It was reconstructed in 1989.

What condition is Route 15 over AMTRAK 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 2024.

How much traffic does Route 15 over AMTRAK Railroad carry?

About 65,800 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Route 15 over AMTRAK Railroad?

The structure is 77 ft (23.5 m) long with a longest span of 72 ft (21.9 m) and a deck 102 ft wide.

Who owns Route 15 over AMTRAK Railroad?

It is owned by the State Highway Agency.