US Bridges

RTE 9 over Stockport Creek

Poor

Columbia County, New York · 4.8 MI N Hudson N City Li · Structure no. 000000001005430

Built
1926
99 years old
Condition
Poor
inspected November 2024
Type
Arch - Deck
Concrete Continuous
Length
347 ft
3 main spans
Daily traffic
5,320
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 9 over Stockport Creek is a concrete continuous arch - deck carrying RTE 9 over Stockport Creek in Columbia County, New York. It was built in 1926, so it is 99 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 5,320 vehicles a day, roughly 6% of them trucks, projected to reach 6,462 by 2041. The structure is 347 ft (105.8 m) long and 51 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesRTE 9
CrossesStockport Creek
Location4.8 MI N Hudson N City Li
RouteU.S. Route 9
Coordinates42.31441, -73.75501
Functional classUrban Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating32.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete Continuous
DeckNot applicable
Main spans3 (+10 approach)
Design loadHS 20
Structure length347 ft (105.8 m)
Longest span70 ft (21.3 m)
Deck width51 ft (15.4 m)
Roadway width38 ft (11.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,320 (2018)
Projected traffic6,462 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$22.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9 over Stockport Creek built?

It was built in 1926, making it 99 years old in 2025.

What condition is RTE 9 over Stockport Creek 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 2024.

How much traffic does RTE 9 over Stockport Creek carry?

About 5,320 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is RTE 9 over Stockport Creek?

The structure is 347 ft (105.8 m) long with a longest span of 70 ft (21.3 m) and a deck 51 ft wide.

Who owns RTE 9 over Stockport Creek?

It is owned by the State Highway Agency.