US Bridges

RTE 216 over Frog Hollow Brook

Poor

Dutchess County, New York · 3.0 MI S JCT Rts 216+55 · Structure no. 000000001041330

Built
1913
112 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
5,014
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 216 over Frog Hollow Brook is a steel stringer/multi-beam or girder carrying RTE 216 over Frog Hollow Brook in Dutchess County, New York. It was built in 1913, so it is 112 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5,014 vehicles a day, roughly 6% of them trucks, projected to reach 6,203 by 2041. The structure is 29 ft (8.8 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesRTE 216
CrossesFrog Hollow Brook
Location3.0 MI S JCT Rts 216+55
RouteState Highway 216
Coordinates41.58496, -73.71651
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating55 US tons
Inventory rating26 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width31 ft (9.5 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,014 (2018)
Projected traffic6,203 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$811,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 216 over Frog Hollow Brook built?

It was built in 1913, making it 112 years old in 2025.

What condition is RTE 216 over Frog Hollow Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does RTE 216 over Frog Hollow Brook carry?

About 5,014 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is RTE 216 over Frog Hollow Brook?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 31 ft wide.

Who owns RTE 216 over Frog Hollow Brook?

It is owned by the State Highway Agency.