US Bridges

County Road 306 over Canopus (sprt) Brk.

Good

Westchester County, New York · .2 MI E US209/ANNSVILLE · Structure no. 000000001050460

Built
2021
4 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
8,410
2018 count
Owner
County
County Highway Agency

About this bridge

County Road 306 over Canopus (sprt) Brk. is a prestressed concrete box beam or girders - multiple carrying County Road 306 over Canopus (sprt) Brk. in Westchester County, New York. It was built in 2021, so it is 4 years old, younger than the New York average of 53 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 8,410 vehicles a day, roughly 6% of them trucks, projected to reach 10,216 by 2041. The structure is 74 ft (22.6 m) long and 53 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesCounty Road 306
CrossesCanopus (sprt) Brk.
Location.2 MI E US209/ANNSVILLE
CountyWestchester County
StateNew York
Coordinates41.30722, -73.92716
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length74 ft (22.6 m)
Longest span74 ft (22.6 m)
Deck width53 ft (16.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic8,410 (2018)
Projected traffic10,216 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 306 over Canopus (sprt) Brk. built?

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

What condition is County Road 306 over Canopus (sprt) Brk. 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 County Road 306 over Canopus (sprt) Brk. carry?

About 8,410 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is County Road 306 over Canopus (sprt) Brk.?

The structure is 74 ft (22.6 m) long with a longest span of 74 ft (22.6 m) and a deck 53 ft wide.

Who owns County Road 306 over Canopus (sprt) Brk.?

It is owned by the County Highway Agency.