US Bridges

RTE 378 over Hudson River Mohawk-Hud

Fair

Albany County, New York · 0.6 MI W of Mill ST · Structure no. 00000000106285A

Built
1971
54 years old, rebuilt 2013
Condition
Fair
inspected November 2023
Type
Girder and Floorbeam System
Steel
Length
153 ft
2 main spans
Daily traffic
4,645
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 378 over Hudson River Mohawk-Hud is a steel girder and floorbeam system carrying RTE 378 over Hudson River Mohawk-Hud in Albany County, New York. It was built in 1971 and reconstructed in 2013, so it is 54 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 4,645 vehicles a day, roughly 10% of them trucks, projected to reach 7,360 by 2041. The structure is 153 ft (46.6 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE 378
CrossesHudson River Mohawk-Hud
Location0.6 MI W of Mill ST
RouteState Highway 378
CountyAlbany County
StateNew York
Coordinates42.70094, -73.70492
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97.6 US tons
Inventory rating36 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckSteel plate
Main spans2
Design loadHS 25 or greater
Structure length153 ft (46.6 m)
Longest span74 ft (22.6 m)
Deck width31 ft (9.5 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,645 (2019)
Projected traffic7,360 by 2041
Trucks10%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1.9 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was RTE 378 over Hudson River Mohawk-Hud built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2013.

What condition is RTE 378 over Hudson River Mohawk-Hud 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 November 2023.

How much traffic does RTE 378 over Hudson River Mohawk-Hud carry?

About 4,645 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is RTE 378 over Hudson River Mohawk-Hud?

The structure is 153 ft (46.6 m) long with a longest span of 74 ft (22.6 m) and a deck 31 ft wide.

Who owns RTE 378 over Hudson River Mohawk-Hud?

It is owned by the State Highway Agency.