US Bridges

Route 8 over Metro-Nrth Rr&private RD

Fair

New Haven County, Connecticut · .4 Miles North of Exit 23 · Structure no. 04384

Built
1981
44 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
183 ft
2 main spans
Daily traffic
47,700
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 over Metro-Nrth Rr&private RD is a prestressed concrete stringer/multi-beam or girder carrying Route 8 over Metro-Nrth Rr&private RD in New Haven County, Connecticut. It was built in 1981, so it is 44 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 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 47,700 vehicles a day, roughly 6% of them trucks, projected to reach 70,877 by 2041. The structure is 183 ft (55.9 m) long and 103 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRoute 8
CrossesMetro-Nrth Rr&private RD
Location.4 Miles North of Exit 23
RouteState Highway 8
CountyNew Haven County
StateConnecticut
Coordinates41.4334, -73.06711
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.
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 inspectionMarch 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 geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length183 ft (55.9 m)
Longest span96 ft (29.3 m)
Deck width103 ft (31.4 m)
Roadway width97 ft (29.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,700 (2021)
Projected traffic70,877 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed1.2 mi (2 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 8 over Metro-Nrth Rr&private RD built?

It was built in 1981, making it 44 years old in 2025.

What condition is Route 8 over Metro-Nrth Rr&private RD 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 2023.

How much traffic does Route 8 over Metro-Nrth Rr&private RD carry?

About 47,700 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 8 over Metro-Nrth Rr&private RD?

The structure is 183 ft (55.9 m) long with a longest span of 96 ft (29.3 m) and a deck 103 ft wide.

Who owns Route 8 over Metro-Nrth Rr&private RD?

It is owned by the State Highway Agency.