US Bridges

RTE 15A over Hemlock Outlet

Fair

Livingston County, New York · 1.9MI S JCT Rts 15A + 20A · Structure no. 000000001011580

Built
1983
42 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
3,742
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 15A over Hemlock Outlet is a prestressed concrete box beam or girders - multiple carrying RTE 15A over Hemlock Outlet in Livingston County, New York. It was built in 1983, so it is 42 years old, younger 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 3,742 vehicles a day, roughly 8% of them trucks, projected to reach 3,765 by 2041. The structure is 74 ft (22.6 m) long and 52 ft wide. If it were closed, the detour would be 25.5 mi (41 km).

CarriesRTE 15A
CrossesHemlock Outlet
Location1.9MI S JCT Rts 15A + 20A
RouteU.S. Route 15A
Coordinates42.79519, -77.60711
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span70 ft (21.3 m)
Deck width52 ft (16 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,742 (2020)
Projected traffic3,765 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed25.5 mi (41 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$2.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 15A over Hemlock Outlet built?

It was built in 1983, making it 42 years old in 2025.

What condition is RTE 15A over Hemlock Outlet 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 August 2023.

How much traffic does RTE 15A over Hemlock Outlet carry?

About 3,742 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is RTE 15A over Hemlock Outlet?

The structure is 74 ft (22.6 m) long with a longest span of 70 ft (21.3 m) and a deck 52 ft wide.

Who owns RTE 15A over Hemlock Outlet?

It is owned by the State Highway Agency.