US Bridges

RTE 86I over Chemung River

Fair

Chemung County, New York · 0.6 MI NE JCT Rts 17 +427 · Structure no. 000000001061341

Built
1967
58 years old, rebuilt 2016
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
802 ft
7 main spans
Daily traffic
10,517
2014 count
Owner
State
State Highway Agency

About this bridge

RTE 86I over Chemung River is a steel stringer/multi-beam or girder carrying RTE 86I over Chemung River in Chemung County, New York. It was built in 1967 and reconstructed in 2016, so it is 58 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 10,517 vehicles a day, roughly 21% of them trucks. The structure is 802 ft (244.4 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 86I
CrossesChemung River
Location0.6 MI NE JCT Rts 17 +427
RouteInterstate 86
CountyChemung County
StateNew York
Coordinates42.01367, -76.6378
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 25 or greater
Structure length802 ft (244.4 m)
Longest span114 ft (34.7 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,517 (2014)
Projected traffic—
Trucks21%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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$14.4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 86I over Chemung River built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2016.

What condition is RTE 86I over Chemung River 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 April 2023.

How much traffic does RTE 86I over Chemung River carry?

About 10,517 vehicles per day (2014 count), of which roughly 21% are trucks.

How long is RTE 86I over Chemung River?

The structure is 802 ft (244.4 m) long with a longest span of 114 ft (34.7 m) and a deck 43 ft wide.

Who owns RTE 86I over Chemung River?

It is owned by the State Highway Agency.