US Bridges

RTE 9D over Phillipse Brook

Fair

Putnam County, New York · 0.8 MI N JCT SH 9D & SH 4 · Structure no. 000000001006290

Built
1929
96 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
8,815
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 9D over Phillipse Brook is a concrete slab carrying RTE 9D over Phillipse Brook in Putnam County, New York. It was built in 1929, so it is 96 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 6 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 8,815 vehicles a day, roughly 3% of them trucks, projected to reach 9,195 by 2041. The structure is 27 ft (8.2 m) long and 38 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRTE 9D
CrossesPhillipse Brook
Location0.8 MI N JCT SH 9D & SH 4
RouteState Highway 9D
Coordinates41.3856, -73.93481
Functional classRural Major 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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum 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 rating44.6 US tons
Inventory rating34.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width38 ft (11.5 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,815 (2018)
Projected traffic9,195 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$732,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9D over Phillipse Brook built?

It was built in 1929, making it 96 years old in 2025.

What condition is RTE 9D over Phillipse Brook 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 October 2024.

How much traffic does RTE 9D over Phillipse Brook carry?

About 8,815 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is RTE 9D over Phillipse Brook?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 38 ft wide.

Who owns RTE 9D over Phillipse Brook?

It is owned by the State Highway Agency.