US Bridges

RTE 9G over Roeliff Jansen Kl

Fair

Columbia County, New York · 3.5 MI S JCT SH 9G & SH23 · Structure no. 000000001006460

Built
1932
93 years old, rebuilt 2011
Condition
Fair
inspected August 2023
Type
Truss - Deck
Steel
Length
363 ft
2 main spans
Daily traffic
4,775
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 9G over Roeliff Jansen Kl is a steel truss - deck carrying RTE 9G over Roeliff Jansen Kl in Columbia County, New York. It was built in 1932 and reconstructed in 2011, so it is 93 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 4,775 vehicles a day, roughly 5% of them trucks, projected to reach 4,981 by 2041. The structure is 363 ft (110.6 m) long and 40 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

Location

Open in Google Maps
CarriesRTE 9G
CrossesRoeliff Jansen Kl
Location3.5 MI S JCT SH 9G & SH23
RouteState Highway 9G
CountyColumbia County
StateNew York
Coordinates42.17519, -73.85641
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating58 US tons
Inventory rating34 US tons

Structure

Structure typeTruss - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20
Structure length363 ft (110.6 m)
Longest span141 ft (43 m)
Deck width40 ft (12.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,775 (2019)
Projected traffic4,981 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$20 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9G over Roeliff Jansen Kl built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 2011.

What condition is RTE 9G over Roeliff Jansen Kl 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 9G over Roeliff Jansen Kl carry?

About 4,775 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is RTE 9G over Roeliff Jansen Kl?

The structure is 363 ft (110.6 m) long with a longest span of 141 ft (43 m) and a deck 40 ft wide.

Who owns RTE 9G over Roeliff Jansen Kl?

It is owned by the State Highway Agency.