US Bridges

Route 8 over Jackson Street

Good

New Haven County, Connecticut · 2.0 MI N of Route 34 · Structure no. 00580

Built
1957
68 years old, rebuilt 1989
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
47 ft
1 main span
Daily traffic
63,800
2018 count
Owner
State
State Highway Agency

About this bridge

Route 8 over Jackson Street is a steel stringer/multi-beam or girder carrying Route 8 over Jackson Street in New Haven County, Connecticut. It was built in 1957 and reconstructed in 1989, so it is 68 years old, older 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 63,800 vehicles a day, roughly 5% of them trucks, projected to reach 94,800 by 2038. The structure is 47 ft (14.3 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8
CrossesJackson Street
Location2.0 MI N of Route 34
RouteState Highway 8
Coordinates41.34586, -73.09371
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating74 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span44 ft (13.4 m)
Deck width84 ft (25.5 m)
Roadway width78 ft (23.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic63,800 (2018)
Projected traffic94,800 by 2038
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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 Jackson Street built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 1989.

What condition is Route 8 over Jackson Street 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 August 2023.

How much traffic does Route 8 over Jackson Street carry?

About 63,800 vehicles per day (2018 count), of which roughly 5% are trucks.

How long is Route 8 over Jackson Street?

The structure is 47 ft (14.3 m) long with a longest span of 44 ft (13.4 m) and a deck 84 ft wide.

Who owns Route 8 over Jackson Street?

It is owned by the State Highway Agency.