US Bridges

Grand Avenue over Metro North Railroad

Fair

New Haven County, Connecticut · 50 East of State Street · Structure no. 03874

Built
1933
92 years old, rebuilt 2009
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
178 ft
2 main spans
Daily traffic
9,800
2018 count
Owner
Unknown
Unknown

About this bridge

Grand Avenue over Metro North Railroad is a prestressed concrete box beam or girders - multiple carrying Grand Avenue over Metro North Railroad in New Haven County, Connecticut. It was built in 1933 and reconstructed in 2009, 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 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 9,800 vehicles a day, roughly 4% of them trucks, projected to reach 14,562 by 2038. The structure is 178 ft (54.3 m) long and 108 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGrand Avenue
CrossesMetro North Railroad
Location50 East of State Street
RouteCity Street 0
CountyNew Haven County
StateConnecticut
Coordinates41.3071, -72.92032
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2 (+1 approach)
Design loadHL 93
Structure length178 ft (54.3 m)
Longest span50 ft (15.3 m)
Deck width108 ft (33 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,800 (2018)
Projected traffic14,562 by 2038
Trucks4%
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 byOther Local 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 Grand Avenue over Metro North Railroad built?

It was built in 1933, making it 92 years old in 2025. It was reconstructed in 2009.

What condition is Grand Avenue 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 April 2023.

How much traffic does Grand Avenue over Metro North Railroad carry?

About 9,800 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is Grand Avenue over Metro North Railroad?

The structure is 178 ft (54.3 m) long with a longest span of 50 ft (15.3 m) and a deck 108 ft wide.

Who owns Grand Avenue over Metro North Railroad?

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