US Bridges

Route 8 Northbound over Route 8 SB & Local Roads

Poor

New Haven County, Connecticut · Route 8 South of I-84 · Structure no. 03190A

Built
1966
59 years old, rebuilt 1991
Condition
Poor
inspected September 2022
Type
Girder and Floorbeam System
Steel
Length
2,634 ft
14 main spans
Daily traffic
30,400
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 Northbound over Route 8 SB & Local Roads is a steel girder and floorbeam system carrying Route 8 Northbound over Route 8 SB & Local Roads in New Haven County, Connecticut. It was built in 1966 and reconstructed in 1991, so it is 59 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 30,400 vehicles a day, roughly 6% of them trucks, projected to reach 45,171 by 2041. The structure is 2,634 ft (802.8 m) long and 35 ft wide.

CarriesRoute 8 Northbound
CrossesRoute 8 SB & Local Roads
LocationRoute 8 South of I-84
RouteState Highway 8
Coordinates41.54977, -73.04776
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58.6 US tons
Inventory rating35.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans14 (+22 approach)
Design loadHS 20
Structure length2,634 ft (802.8 m)
Longest span115 ft (35.1 m)
Deck width35 ft (10.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic30,400 (2021)
Projected traffic45,171 by 2041
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$11.1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 8 Northbound over Route 8 SB & Local Roads built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1991.

What condition is Route 8 Northbound over Route 8 SB & Local Roads in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2022.

How much traffic does Route 8 Northbound over Route 8 SB & Local Roads carry?

About 30,400 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Route 8 Northbound over Route 8 SB & Local Roads?

The structure is 2,634 ft (802.8 m) long with a longest span of 115 ft (35.1 m) and a deck 35 ft wide.

Who owns Route 8 Northbound over Route 8 SB & Local Roads?

It is owned by the State Highway Agency.