US Bridges

RTE 9 over CSX Trans/ AMTRAK

Fair

Rensselaer County, New York · JCT US 9 & 20 / SH 9J · Structure no. 000000002005510

Built
1935
90 years old, rebuilt 2019
Condition
Fair
inspected October 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
203 ft
2 main spans
Daily traffic
23,922
2017 count
Owner
State
State Highway Agency

About this bridge

RTE 9 over CSX Trans/ AMTRAK is a steel continuous girder and floorbeam system carrying RTE 9 over CSX Trans/ AMTRAK in Rensselaer County, New York. It was built in 1935 and reconstructed in 2019, 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 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 23,922 vehicles a day, roughly 6% of them trucks, projected to reach 24,034 by 2041. The structure is 203 ft (61.9 m) long and 47 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesRTE 9
CrossesCSX Trans/ AMTRAK
LocationJCT US 9 & 20 / SH 9J
RouteU.S. Route 9
Coordinates42.63083, -73.74417
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span97 ft (29.5 m)
Deck width47 ft (14.2 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,922 (2017)
Projected traffic24,034 by 2041
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed2.5 mi (4 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$5.8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 9 over CSX Trans/ AMTRAK built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 2019.

What condition is RTE 9 over CSX Trans/ AMTRAK 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 October 2023.

How much traffic does RTE 9 over CSX Trans/ AMTRAK carry?

About 23,922 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is RTE 9 over CSX Trans/ AMTRAK?

The structure is 203 ft (61.9 m) long with a longest span of 97 ft (29.5 m) and a deck 47 ft wide.

Who owns RTE 9 over CSX Trans/ AMTRAK?

It is owned by the State Highway Agency.