US Bridges

RTE 9G over Stony Creek

Fair

Dutchess County, New York · 1.1 MI N JCT Rts 9G &402 · Structure no. 000000001006450

Built
1986
39 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
58 ft
1 main span
Daily traffic
5,273
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 9G over Stony Creek is a steel stringer/multi-beam or girder carrying RTE 9G over Stony Creek in Dutchess County, New York. It was built in 1986, so it is 39 years old, younger 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 5,273 vehicles a day, roughly 6% of them trucks, projected to reach 5,500 by 2041. The structure is 58 ft (17.7 m) long and 36 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesRTE 9G
CrossesStony Creek
Location1.1 MI N JCT Rts 9G &402
RouteState Highway 9G
Coordinates42.07115, -73.89434
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating59 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span56 ft (17 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,273 (2018)
Projected traffic5,500 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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$2.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9G over Stony Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is RTE 9G over Stony 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 September 2023.

How much traffic does RTE 9G over Stony Creek carry?

About 5,273 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is RTE 9G over Stony Creek?

The structure is 58 ft (17.7 m) long with a longest span of 56 ft (17 m) and a deck 36 ft wide.

Who owns RTE 9G over Stony Creek?

It is owned by the State Highway Agency.