US Bridges

RTE 39 over Conesus Lake Outl

Fair

Livingston County, New York · 1.4MI SW JCT Rts 39+ 5+20 · Structure no. 000000001024630

Built
1938
87 years old, rebuilt 1986
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
3,472
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 39 over Conesus Lake Outl is a steel stringer/multi-beam or girder carrying RTE 39 over Conesus Lake Outl in Livingston County, New York. It was built in 1938 and reconstructed in 1986, so it is 87 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 5 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 3,472 vehicles a day, roughly 4% of them trucks, projected to reach 3,493 by 2041. The structure is 45 ft (13.7 m) long and 35 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

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CarriesRTE 39
CrossesConesus Lake Outl
Location1.4MI SW JCT Rts 39+ 5+20
RouteState Highway 39
CountyLivingston County
StateNew York
Coordinates42.89778, -77.76378
Functional classRural Minor 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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length45 ft (13.7 m)
Longest span40 ft (12.1 m)
Deck width35 ft (10.6 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,472 (2018)
Projected traffic3,493 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

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$1.3 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 39 over Conesus Lake Outl built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1986.

What condition is RTE 39 over Conesus Lake Outl 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 September 2023.

How much traffic does RTE 39 over Conesus Lake Outl carry?

About 3,472 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is RTE 39 over Conesus Lake Outl?

The structure is 45 ft (13.7 m) long with a longest span of 40 ft (12.1 m) and a deck 35 ft wide.

Who owns RTE 39 over Conesus Lake Outl?

It is owned by the State Highway Agency.