US Bridges

Drewville Road over West Branch Croton River

Good

Putnam County, New York · 2.2 MI E of Mahopac · Structure no. 000000003345550

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
4,333
2020 count
Owner
County
County Highway Agency

About this bridge

Drewville Road over West Branch Croton River is a prestressed concrete box beam or girders - multiple carrying Drewville Road over West Branch Croton River in Putnam County, New York. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,333 vehicles a day, roughly 2% of them trucks, projected to reach 5,361 by 2041. The structure is 93 ft (28.3 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesDrewville Road
CrossesWest Branch Croton River
Location2.2 MI E of Mahopac
RouteCounty Highway 0
CountyPutnam County
StateNew York
Coordinates41.38821, -73.68332
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation9: Superior to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be 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 rating110.1 US tons
Inventory rating109 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span90 ft (27.4 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic4,333 (2020)
Projected traffic5,361 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Drewville Road over West Branch Croton River built?

It was built in 2023, making it 2 years old in 2025.

What condition is Drewville Road over West Branch Croton 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 December 2023.

How much traffic does Drewville Road over West Branch Croton River carry?

About 4,333 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Drewville Road over West Branch Croton River?

The structure is 93 ft (28.3 m) long with a longest span of 90 ft (27.4 m) and a deck 34 ft wide.

Who owns Drewville Road over West Branch Croton River?

It is owned by the County Highway Agency.