US Bridges

Saw Mill Road over West River

Good

New Haven County, Connecticut · 425 Ft N of Hubbard RD · Structure no. 04863

Built
2021
4 years old
Condition
Good
inspected November 2023
Type
Slab
Prestressed Concrete
Length
70 ft
1 main span
Daily traffic
369
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Saw Mill Road over West River is a prestressed concrete slab carrying Saw Mill Road over West River in New Haven County, Connecticut. It was built in 2021, so it is 4 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 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 369 vehicles a day, roughly 7% of them trucks, projected to reach 548 by 2043. The structure is 70 ft (21.3 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSaw Mill Road
CrossesWest River
Location425 Ft N of Hubbard RD
RouteCity Street 0
CountyNew Haven County
StateConnecticut
Coordinates41.30106, -72.69022
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadUnknown
Structure length70 ft (21.3 m)
Longest span62 ft (18.9 m)
Deck width33 ft (10.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic369 (2023)
Projected traffic548 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 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$2.4 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Saw Mill Road over West River built?

It was built in 2021, making it 4 years old in 2025.

What condition is Saw Mill Road over West 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 November 2023.

How much traffic does Saw Mill Road over West River carry?

About 369 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Saw Mill Road over West River?

The structure is 70 ft (21.3 m) long with a longest span of 62 ft (18.9 m) and a deck 33 ft wide.

Who owns Saw Mill Road over West River?

It is owned by the Town or Township Highway Agency.