US Bridges

RTE 86I over Chemung River

Fair

Chemung County, New York · RTE 17 1.8 MI W Cl · Structure no. 000000001061302

Built
1965
60 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
803 ft
7 main spans
Daily traffic
13,141
2020 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 1965, so it is 60 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 13,141 vehicles a day, roughly 26% of them trucks, projected to reach 24,515 by 2041. The structure is 803 ft (244.8 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 86I
CrossesChemung River
LocationRTE 17 1.8 MI W Cl
RouteInterstate 86
CountyChemung County
StateNew York
Coordinates42.00075, -76.59571
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
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 adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating56 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 25 or greater
Structure length803 ft (244.8 m)
Longest span114 ft (34.7 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,141 (2020)
Projected traffic24,515 by 2041
Trucks26%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$14.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 86I over Chemung River built?

It was built in 1965, making it 60 years old in 2025.

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 November 2024.

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

About 13,141 vehicles per day (2020 count), of which roughly 26% are trucks.

How long is RTE 86I over Chemung River?

The structure is 803 ft (244.8 m) long with a longest span of 114 ft (34.7 m) and a deck 42 ft wide.

Who owns RTE 86I over Chemung River?

It is owned by the State Highway Agency.