US Bridges

Huntingdon Avenue over DOT Railroad

Fair

New Haven County, Connecticut · .3 M West of Route 847 · Structure no. 03730

Built
1956
69 years old, rebuilt 1992
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
23,800
2023 count
Owner
Unknown
Unknown

About this bridge

Huntingdon Avenue over DOT Railroad is a steel stringer/multi-beam or girder carrying Huntingdon Avenue over DOT Railroad in New Haven County, Connecticut. It was built in 1956 and reconstructed in 1992, so it is 69 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 23,800 vehicles a day, roughly 5% of them trucks, projected to reach 35,364 by 2043. The structure is 46 ft (14 m) long and 62 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHuntingdon Avenue
CrossesDOT Railroad
Location.3 M West of Route 847
RouteCity Street 0
Coordinates41.58495, -73.05192
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating70.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span41 ft (12.5 m)
Deck width62 ft (19 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,800 (2023)
Projected traffic35,364 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerUnknown
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 Huntingdon Avenue over DOT Railroad built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1992.

What condition is Huntingdon Avenue over DOT 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 Huntingdon Avenue over DOT Railroad carry?

About 23,800 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Huntingdon Avenue over DOT Railroad?

The structure is 46 ft (14 m) long with a longest span of 41 ft (12.5 m) and a deck 62 ft wide.

Who owns Huntingdon Avenue over DOT Railroad?

It is owned by the Unknown and maintained by the State Highway Agency.