US Bridges

Drewvlle RD over Middle Branch Croton Riv

Fair

Putnam County, New York · 4.0 MI E of Mahopac · Structure no. 000000003345540

Built
1908
117 years old
Condition
Fair
inspected August 2024
Type
Arch - Deck
Concrete
Length
76 ft
1 main span
Daily traffic
2,230
2020 count
Owner
Local
Other Local Agency

About this bridge

Drewvlle RD over Middle Branch Croton Riv is a concrete arch - deck carrying Drewvlle RD over Middle Branch Croton Riv in Putnam County, New York. It was built in 1908, so it is 117 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,230 vehicles a day, roughly 3% of them trucks, projected to reach 2,759 by 2041. The structure is 76 ft (23.2 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDrewvlle RD
CrossesMiddle Branch Croton Riv
Location4.0 MI E of Mahopac
RouteCounty Highway 0
Coordinates41.38736, -73.64939
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating87.2 US tons
Inventory rating21.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.2 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,230 (2020)
Projected traffic2,759 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$6.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Drewvlle RD over Middle Branch Croton Riv built?

It was built in 1908, making it 117 years old in 2025.

What condition is Drewvlle RD over Middle Branch Croton Riv in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Drewvlle RD over Middle Branch Croton Riv carry?

About 2,230 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Drewvlle RD over Middle Branch Croton Riv?

The structure is 76 ft (23.2 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns Drewvlle RD over Middle Branch Croton Riv?

It is owned by the Other Local Agency and maintained by the County Highway Agency.