US Bridges

RTE 146 over Erie Canal

Good

Schenectady County, New York · 1 MI S JCT RT146 & 914V · Structure no. 000000004038360

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
772 ft
4 main spans
Daily traffic
21,331
2014 count
Owner
State
State Highway Agency

About this bridge

RTE 146 over Erie Canal is a steel continuous stringer/multi-beam or girder carrying RTE 146 over Erie Canal in Schenectady County, New York. It was built in 2017, so it is 8 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21,331 vehicles a day, roughly 3% of them trucks, projected to reach 21,431 by 2041. The structure is 772 ft (235.3 m) long and 70 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

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CarriesRTE 146
CrossesErie Canal
Location1 MI S JCT RT146 & 914V
RouteState Highway 146
CountySchenectady County
StateNew York
Coordinates42.84946, -73.88822
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length772 ft (235.3 m)
Longest span245 ft (74.7 m)
Deck width70 ft (21.3 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic21,331 (2014)
Projected traffic21,431 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed7.5 mi (12 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$19.9 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was RTE 146 over Erie Canal built?

It was built in 2017, making it 8 years old in 2025.

What condition is RTE 146 over Erie Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does RTE 146 over Erie Canal carry?

About 21,331 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is RTE 146 over Erie Canal?

The structure is 772 ft (235.3 m) long with a longest span of 245 ft (74.7 m) and a deck 70 ft wide.

Who owns RTE 146 over Erie Canal?

It is owned by the State Highway Agency.