US Bridges

Larkin ST over 86I 17 51121040 RTE I86

Fair

Cattaraugus County, New York · 0.5 MI SE JCT 17 + Int 16 · Structure no. 000000003062710

Built
1971
54 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
235 ft
2 main spans
Daily traffic
895
2019 count
Owner
State
State Highway Agency

About this bridge

Larkin ST over 86I 17 51121040 RTE I86 is a steel continuous stringer/multi-beam or girder carrying Larkin ST over 86I 17 51121040 RTE I86 in Cattaraugus County, New York. It was built in 1971, so it is 54 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 895 vehicles a day, roughly 4% of them trucks, projected to reach 1,253 by 2039. The structure is 235 ft (71.6 m) long and 46 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesLarkin ST
Crosses86I 17 51121040 RTE I86
Location0.5 MI SE JCT 17 + Int 16
RouteCounty Highway 0
Coordinates42.15511, -78.98593
Functional classRural Minor Collector

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length235 ft (71.6 m)
Longest span115 ft (35 m)
Deck width46 ft (14 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic895 (2019)
Projected traffic1,253 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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$8 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Larkin ST over 86I 17 51121040 RTE I86 built?

It was built in 1971, making it 54 years old in 2025.

What condition is Larkin ST over 86I 17 51121040 RTE I86 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 2024.

How much traffic does Larkin ST over 86I 17 51121040 RTE I86 carry?

About 895 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Larkin ST over 86I 17 51121040 RTE I86?

The structure is 235 ft (71.6 m) long with a longest span of 115 ft (35 m) and a deck 46 ft wide.

Who owns Larkin ST over 86I 17 51121040 RTE I86?

It is owned by the State Highway Agency.