US Bridges

Clifton ST over AMTRAK Railroad

Fair

New Haven County, Connecticut · Over AMTRAK · Structure no. 03879

Built
1912
113 years old
Condition
Fair
inspected May 2024
Type
Arch - Deck
Masonry
Length
30 ft
1 main span
Daily traffic
1,970
2024 count
Owner
Unknown
Unknown

About this bridge

Clifton ST over AMTRAK Railroad is a masonry arch - deck carrying Clifton ST over AMTRAK Railroad in New Haven County, Connecticut. It was built in 1912, so it is 113 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 1,970 vehicles a day, roughly 3% of them trucks, projected to reach 2,927 by 2044. The structure is 30 ft (9.1 m) long and 140 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesClifton ST
CrossesAMTRAK Railroad
LocationOver AMTRAK
RouteCity Street 0
CountyNew Haven County
StateConnecticut
Coordinates41.30934, -72.8778
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
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 inspectionMay 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans1
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width140 ft (42.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,970 (2024)
Projected traffic2,927 by 2044
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
Maintained byOther Local Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Clifton ST over AMTRAK Railroad built?

It was built in 1912, making it 113 years old in 2025.

What condition is Clifton ST 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 May 2024.

How much traffic does Clifton ST over AMTRAK Railroad carry?

About 1,970 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Clifton ST over AMTRAK Railroad?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 140 ft wide.

Who owns Clifton ST over AMTRAK Railroad?

It is owned by the Unknown and maintained by the Other Local Agency.