US Bridges

Main Street over Erie Canal

PoorPosted for load

Niagara County, New York · At JCT Rts 78 + 31 · Structure no. 000000004454170

Built
1912
113 years old, rebuilt 1992
Condition
Poor
inspected September 2024
Type
Other
Steel
Length
132 ft
1 main span
Daily traffic
7,684
2021 count
Owner
State
State Highway Agency

About this bridge

Main Street over Erie Canal is a steel other carrying Main Street over Erie Canal in Niagara County, New York. It was built in 1912 and reconstructed in 1992, so it is 113 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 3 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 7,684 vehicles a day, roughly 3% of them trucks, projected to reach 7,720 by 2041. The structure is 132 ft (40.2 m) long and 399 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMain Street
CrossesErie Canal
LocationAt JCT Rts 78 + 31
RouteCity Street 0
Coordinates43.16928, -78.69504
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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating8 US tons
Inventory rating5 US tons

Structure

Structure typeOther
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length132 ft (40.2 m)
Longest span131 ft (39.9 m)
Deck width399 ft (121.7 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,684 (2021)
Projected traffic7,720 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$42.7 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Main Street over Erie Canal built?

It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1992.

What condition is Main Street over Erie Canal 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 September 2024.

How much traffic does Main Street over Erie Canal carry?

About 7,684 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Main Street over Erie Canal?

The structure is 132 ft (40.2 m) long with a longest span of 131 ft (39.9 m) and a deck 399 ft wide.

Who owns Main Street over Erie Canal?

It is owned by the State Highway Agency.