US Bridges

RTE 23 over CSX Trans/Amtrak Hudson

PoorPosted for load

Greene County, New York · 0.5 MI E JCT Rts 385 & 23 · Structure no. 000000005017820

Built
1935
90 years old, rebuilt 2003
Condition
Poor
inspected August 2024
Type
Truss - Thru
Steel
Length
5,036 ft
3 main spans
Daily traffic
18,162
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE 23 over CSX Trans/Amtrak Hudson is a steel truss - thru carrying RTE 23 over CSX Trans/Amtrak Hudson in Greene County, New York. It was built in 1935 and reconstructed in 2003, so it is 90 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. Its operating status is: posted for load restriction.

It carries about 18,162 vehicles a day, roughly 9% of them trucks, projected to reach 18,247 by 2041. The structure is 5,036 ft (1,535 m) long and 37 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesRTE 23
CrossesCSX Trans/Amtrak Hudson
Location0.5 MI E JCT Rts 385 & 23
RouteState Highway 23
Coordinates42.22068, -73.83917
Functional classUrban Other Principal 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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80.1 US tons
Inventory rating32.4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckNot applicable
Main spans3 (+15 approach)
Design loadOther
Structure length5,036 ft (1,535 m)
Longest span800 ft (243.8 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deck15 ft (4.4 m)

Traffic and service

Average daily traffic18,162 (2020)
Projected traffic18,247 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed39.8 mi (64 km)
TollToll bridge
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$194.4 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was RTE 23 over CSX Trans/Amtrak Hudson built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2003.

What condition is RTE 23 over CSX Trans/Amtrak Hudson 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 August 2024.

How much traffic does RTE 23 over CSX Trans/Amtrak Hudson carry?

About 18,162 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is RTE 23 over CSX Trans/Amtrak Hudson?

The structure is 5,036 ft (1,535 m) long with a longest span of 800 ft (243.8 m) and a deck 37 ft wide.

Who owns RTE 23 over CSX Trans/Amtrak Hudson?

It is owned by the State Toll Authority.