US Bridges

RTE I86 over RTE 426

Good

Chautauqua County, New York · JCT SH 426 & S.T.E. - I86 · Structure no. 000000001091722

Built
1973
52 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
130 ft
1 main span
Daily traffic
4,845
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I86 over RTE 426 is a steel stringer/multi-beam or girder carrying RTE I86 over RTE 426 in Chautauqua County, New York. It was built in 1973, so it is 52 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,845 vehicles a day, roughly 20% of them trucks, projected to reach 5,770 by 2041. The structure is 130 ft (39.6 m) long and 45 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I86
CrossesRTE 426
LocationJCT SH 426 & S.T.E. - I86
RouteInterstate 86
CountyChautauqua County
StateNew York
Coordinates42.13031, -79.74156
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span125 ft (38.1 m)
Deck width45 ft (13.6 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,845 (2021)
Projected traffic5,770 by 2041
Trucks20%
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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I86 over RTE 426 built?

It was built in 1973, making it 52 years old in 2025.

What condition is RTE I86 over RTE 426 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.

How much traffic does RTE I86 over RTE 426 carry?

About 4,845 vehicles per day (2021 count), of which roughly 20% are trucks.

How long is RTE I86 over RTE 426?

The structure is 130 ft (39.6 m) long with a longest span of 125 ft (38.1 m) and a deck 45 ft wide.

Who owns RTE I86 over RTE 426?

It is owned by the State Highway Agency.