US Bridges

RTE I86 over CO RD 70A

Fair

Steuben County, New York · 2.4 MI W JCT Rts 17 + 415 · Structure no. 000000001061902

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
176 ft
1 main span
Daily traffic
3,752
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I86 over CO RD 70A is a steel stringer/multi-beam or girder carrying RTE I86 over CO RD 70A in Steuben County, New York. It was built in 1970, so it is 55 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 3,752 vehicles a day, roughly 25% of them trucks, projected to reach 6,999 by 2041. The structure is 176 ft (53.6 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE I86
CrossesCO RD 70A
Location2.4 MI W JCT Rts 17 + 415
RouteInterstate 86
Coordinates42.37113, -77.4359
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length176 ft (53.6 m)
Longest span170 ft (51.8 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,752 (2021)
Projected traffic6,999 by 2041
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$5.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I86 over CO RD 70A built?

It was built in 1970, making it 55 years old in 2025.

What condition is RTE I86 over CO RD 70A 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 May 2024.

How much traffic does RTE I86 over CO RD 70A carry?

About 3,752 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is RTE I86 over CO RD 70A?

The structure is 176 ft (53.6 m) long with a longest span of 170 ft (51.8 m) and a deck 42 ft wide.

Who owns RTE I86 over CO RD 70A?

It is owned by the State Highway Agency.