US Bridges

RTE 31 over Erie Canal

PoorPosted for load

Monroe County, New York · JCT BARGEC+31 W Side Roch · Structure no. 000000004443380

Built
1937
88 years old
Condition
Poor
inspected June 2024
Type
Truss - Thru
Steel
Length
118 ft
1 main span
Daily traffic
13,103
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 31 over Erie Canal is a steel truss - thru carrying RTE 31 over Erie Canal in Monroe County, New York. It was built in 1937, so it is 88 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 4 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 other load-capacity restriction.

It carries about 13,103 vehicles a day, roughly 10% of them trucks, projected to reach 15,917 by 2041. The structure is 118 ft (36 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 31
CrossesErie Canal
LocationJCT BARGEC+31 W Side Roch
RouteState Highway 31
Coordinates43.1647, -77.67646
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length118 ft (36 m)
Longest span113 ft (34.4 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,103 (2019)
Projected traffic15,917 by 2041
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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$8.8 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was RTE 31 over Erie Canal built?

It was built in 1937, making it 88 years old in 2025.

What condition is RTE 31 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 June 2024.

How much traffic does RTE 31 over Erie Canal carry?

About 13,103 vehicles per day (2019 count), of which roughly 10% are trucks.

How long is RTE 31 over Erie Canal?

The structure is 118 ft (36 m) long with a longest span of 113 ft (34.4 m) and a deck 42 ft wide.

Who owns RTE 31 over Erie Canal?

It is owned by the State Highway Agency.