US Bridges

Knickerbocker RD over CSX Trans/C P Rwy

Fair

Rensselaer County, New York · 1.5MI N Schodack Landing · Structure no. 000000002267360

Built
1924
101 years old, rebuilt 2005
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
235 ft
3 main spans
Daily traffic
109
2018 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Knickerbocker RD over CSX Trans/C P Rwy is a steel continuous stringer/multi-beam or girder carrying Knickerbocker RD over CSX Trans/C P Rwy in Rensselaer County, New York. It was built in 1924 and reconstructed in 2005, so it is 101 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 109 vehicles a day, roughly 8% of them trucks, projected to reach 153 by 2038. The structure is 235 ft (71.6 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesKnickerbocker RD
CrossesCSX Trans/C P Rwy
Location1.5MI N Schodack Landing
CountyRensselaer County
StateNew York
Coordinates42.4966, -73.75814
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating95 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length235 ft (71.6 m)
Longest span82 ft (24.9 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic109 (2018)
Projected traffic153 by 2038
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Knickerbocker RD over CSX Trans/C P Rwy built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 2005.

What condition is Knickerbocker RD over CSX Trans/C P Rwy 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 Knickerbocker RD over CSX Trans/C P Rwy carry?

About 109 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Knickerbocker RD over CSX Trans/C P Rwy?

The structure is 235 ft (71.6 m) long with a longest span of 82 ft (24.9 m) and a deck 28 ft wide.

Who owns Knickerbocker RD over CSX Trans/C P Rwy?

It is owned by the Town or Township Highway Agency.