US Bridges

RTE 9D over Wappinger Creek

Fair

Dutchess County, New York · 1.2 MI S JCT Rts 9D+9 · Structure no. 000000001006380

Built
1884
141 years old
Condition
Fair
inspected August 2023
Type
Arch - Deck
Masonry
Length
120 ft
2 main spans
Daily traffic
13,268
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 9D over Wappinger Creek is a masonry arch - deck carrying RTE 9D over Wappinger Creek in Dutchess County, New York. It was built in 1884, so it is 141 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 13,268 vehicles a day, roughly 3% of them trucks, projected to reach 13,330 by 2041. The structure is 120 ft (36.6 m) long and 57 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

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CarriesRTE 9D
CrossesWappinger Creek
Location1.2 MI S JCT Rts 9D+9
RouteState Highway 9D
CountyDutchess County
StateNew York
Coordinates41.59919, -73.91998
Functional classUrban Other Principal Arterial

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40.5 US tons
Inventory rating11.1 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span55 ft (16.7 m)
Deck width57 ft (17.4 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,268 (2020)
Projected traffic13,330 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed10.6 mi (17 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$11.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9D over Wappinger Creek built?

It was built in 1884, making it 141 years old in 2025.

What condition is RTE 9D over Wappinger Creek 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 2023.

How much traffic does RTE 9D over Wappinger Creek carry?

About 13,268 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is RTE 9D over Wappinger Creek?

The structure is 120 ft (36.6 m) long with a longest span of 55 ft (16.7 m) and a deck 57 ft wide.

Who owns RTE 9D over Wappinger Creek?

It is owned by the State Highway Agency.