US Bridges

Route 8 Ramp 031 over Metro-North & RR Drive

Good

New Haven County, Connecticut · Route 8 Exit 15 · Structure no. 00573B

Built
1996
29 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
421 ft
2 main spans
Daily traffic
7,900
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Ramp 031 over Metro-North & RR Drive is a steel continuous stringer/multi-beam or girder carrying Route 8 Ramp 031 over Metro-North & RR Drive in New Haven County, Connecticut. It was built in 1996, so it is 29 years old, younger than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,900 vehicles a day, roughly 8% of them trucks, projected to reach 11,739 by 2041. The structure is 421 ft (128.3 m) long and 28 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesRoute 8 Ramp 031
CrossesMetro-North & RR Drive
LocationRoute 8 Exit 15
RouteState Highway 8
CountyNew Haven County
StateConnecticut
Coordinates41.31979, -73.08376
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating73.2 US tons
Inventory rating43.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length421 ft (128.3 m)
Longest span213 ft (64.9 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,900 (2021)
Projected traffic11,739 by 2041
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed28 mi (45 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 Ramp 031 over Metro-North & RR Drive built?

It was built in 1996, making it 29 years old in 2025.

What condition is Route 8 Ramp 031 over Metro-North & RR Drive in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Route 8 Ramp 031 over Metro-North & RR Drive carry?

About 7,900 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Route 8 Ramp 031 over Metro-North & RR Drive?

The structure is 421 ft (128.3 m) long with a longest span of 213 ft (64.9 m) and a deck 28 ft wide.

Who owns Route 8 Ramp 031 over Metro-North & RR Drive?

It is owned by the State Highway Agency.