US Bridges

Canal Street over Derby Canal

Good

New Haven County, Connecticut · 25 West of Route 34 · Structure no. 06063

Built
2005
20 years old
Condition
Good
inspected November 2021
Type
Slab
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
292
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Canal Street over Derby Canal is a prestressed concrete slab carrying Canal Street over Derby Canal in New Haven County, Connecticut. It was built in 2005, so it is 20 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 292 vehicles a day, roughly 2% of them trucks, projected to reach 434 by 2041. The structure is 48 ft (14.6 m) long and 32 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCanal Street
CrossesDerby Canal
Location25 West of Route 34
RouteCity Street 0
Coordinates41.32543, -73.09877
Functional classUrban Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic292 (2021)
Projected traffic434 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Canal Street over Derby Canal built?

It was built in 2005, making it 20 years old in 2025.

What condition is Canal Street over Derby Canal 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 November 2021.

How much traffic does Canal Street over Derby Canal carry?

About 292 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Canal Street over Derby Canal?

The structure is 48 ft (14.6 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns Canal Street over Derby Canal?

It is owned by the City or Municipal Highway Agency.