US Bridges

RTE 418 over Hudson River

Fair

Warren County, New York · JCT RTE 418 & Hudson R · Structure no. 000000001048230

Built
1941
84 years old, rebuilt 1995
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
434 ft
2 main spans
Daily traffic
2,683
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 418 over Hudson River is a steel truss - thru carrying RTE 418 over Hudson River in Warren County, New York. It was built in 1941 and reconstructed in 1995, so it is 84 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 2,683 vehicles a day, roughly 4% of them trucks, projected to reach 3,756 by 2041. The structure is 434 ft (132.3 m) long and 31 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

Location

Open in Google Maps
CarriesRTE 418
CrossesHudson River
LocationJCT RTE 418 & Hudson R
RouteState Highway 418
CountyWarren County
StateNew York
Coordinates43.48032, -73.81866
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length434 ft (132.3 m)
Longest span215 ft (65.5 m)
Deck width31 ft (9.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deck15 ft (4.5 m)

Traffic and service

Average daily traffic2,683 (2021)
Projected traffic3,756 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$16.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 418 over Hudson River built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1995.

What condition is RTE 418 over Hudson River 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 2024.

How much traffic does RTE 418 over Hudson River carry?

About 2,683 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is RTE 418 over Hudson River?

The structure is 434 ft (132.3 m) long with a longest span of 215 ft (65.5 m) and a deck 31 ft wide.

Who owns RTE 418 over Hudson River?

It is owned by the State Highway Agency.