US Bridges

Skiff Street over Mill River

Good

New Haven County, Connecticut · 0.4 MI E of Route 10 · Structure no. 04127

Built
1931
94 years old, rebuilt 2020
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
78 ft
1 main span
Daily traffic
24,000
2012 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Skiff Street over Mill River is a steel stringer/multi-beam or girder carrying Skiff Street over Mill River in New Haven County, Connecticut. It was built in 1931 and reconstructed in 2020, so it is 94 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 24,000 vehicles a day, roughly 4% of them trucks, projected to reach 35,662 by 2032. The structure is 78 ft (23.8 m) long and 81 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSkiff Street
CrossesMill River
Location0.4 MI E of Route 10
RouteCity Street 0
Coordinates41.3719, -72.90829
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating50.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length78 ft (23.8 m)
Longest span70 ft (21.3 m)
Deck width81 ft (24.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,000 (2012)
Projected traffic35,662 by 2032
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$5.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Skiff Street over Mill River built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 2020.

What condition is Skiff Street over Mill River 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 Skiff Street over Mill River carry?

About 24,000 vehicles per day (2012 count), of which roughly 4% are trucks.

How long is Skiff Street over Mill River?

The structure is 78 ft (23.8 m) long with a longest span of 70 ft (21.3 m) and a deck 81 ft wide.

Who owns Skiff Street over Mill River?

It is owned by the Town or Township Highway Agency.