US Bridges

Route 8 over Rose Street

Good

New Haven County, Connecticut · 0.6 MI South of Route 67 · Structure no. 00586

Built
1961
64 years old, rebuilt 1990
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
48 ft
1 main span
Daily traffic
53,800
2021 count
Owner
State
State Highway Agency

About this bridge

Route 8 over Rose Street is a steel stringer/multi-beam or girder carrying Route 8 over Rose Street in New Haven County, Connecticut. It was built in 1961 and reconstructed in 1990, so it is 64 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 53,800 vehicles a day, roughly 5% of them trucks, projected to reach 79,941 by 2041. The structure is 48 ft (14.6 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 8
CrossesRose Street
Location0.6 MI South of Route 67
RouteState Highway 8
Coordinates41.38865, -73.07719
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 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 rating62.5 US tons
Inventory rating47.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span43 ft (13.1 m)
Deck width84 ft (25.5 m)
Roadway width77 ft (23.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,800 (2021)
Projected traffic79,941 by 2041
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 Rose Street built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1990.

What condition is Route 8 over Rose 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 October 2023.

How much traffic does Route 8 over Rose Street carry?

About 53,800 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Route 8 over Rose Street?

The structure is 48 ft (14.6 m) long with a longest span of 43 ft (13.1 m) and a deck 84 ft wide.

Who owns Route 8 over Rose Street?

It is owned by the State Highway Agency.