US Bridges

RTE 31 over Irondequoit Creek

Fair

Monroe County, New York · 0.8MI W JCT RTE31+BARGE C · Structure no. 000000001021700

Built
1954
71 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete Continuous
Length
50 ft
2 main spans
Daily traffic
27,534
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 31 over Irondequoit Creek is a concrete continuous culvert carrying RTE 31 over Irondequoit Creek in Monroe County, New York. It was built in 1954, so it is 71 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 27,534 vehicles a day, roughly 3% of them trucks, projected to reach 27,663 by 2041. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRTE 31
CrossesIrondequoit Creek
Location0.8MI W JCT RTE31+BARGE C
RouteState Highway 31
Coordinates43.07854, -77.48288
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length50 ft (15.2 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,534 (2018)
Projected traffic27,663 by 2041
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 31 over Irondequoit Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is RTE 31 over Irondequoit Creek 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 October 2023.

How much traffic does RTE 31 over Irondequoit Creek carry?

About 27,534 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is RTE 31 over Irondequoit Creek?

The structure is 50 ft (15.2 m) long with a longest span of 24 ft (7.3 m).

Who owns RTE 31 over Irondequoit Creek?

It is owned by the State Highway Agency.