US Bridges

RTE 9 over Roeliff Jansen Kill

Fair

Columbia County, New York · 3.8 MI N Dut & Col CO LN · Structure no. 000000001005390

Built
1926
99 years old, rebuilt 1986
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
2 main spans
Daily traffic
3,723
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 9 over Roeliff Jansen Kill is a steel stringer/multi-beam or girder carrying RTE 9 over Roeliff Jansen Kill in Columbia County, New York. It was built in 1926 and reconstructed in 1986, 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 fair condition with a lowest component rating of 5 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 3,723 vehicles a day, roughly 13% of them trucks, projected to reach 3,758 by 2041. The structure is 84 ft (25.6 m) long and 44 ft wide. If it were closed, the detour would be 23 mi (37 km).

CarriesRTE 9
CrossesRoeliff Jansen Kill
Location3.8 MI N Dut & Col CO LN
RouteU.S. Route 9
Coordinates42.10685, -73.82163
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating46 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span38 ft (11.5 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,723 (2021)
Projected traffic3,758 by 2041
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 km)
TollOn a free road
National Highway SystemYes

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$3.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9 over Roeliff Jansen Kill built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1986.

What condition is RTE 9 over Roeliff Jansen Kill 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 9 over Roeliff Jansen Kill carry?

About 3,723 vehicles per day (2021 count), of which roughly 13% are trucks.

How long is RTE 9 over Roeliff Jansen Kill?

The structure is 84 ft (25.6 m) long with a longest span of 38 ft (11.5 m) and a deck 44 ft wide.

Who owns RTE 9 over Roeliff Jansen Kill?

It is owned by the State Highway Agency.