US Bridges

RTE I86 over RTE 305

Good

Allegany County, New York · JCT 86I & 305 · Structure no. 000000001090092

Built
1972
53 years old, rebuilt 1999
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
135 ft
1 main span
Daily traffic
5,949
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I86 over RTE 305 is a steel stringer/multi-beam or girder carrying RTE I86 over RTE 305 in Allegany County, New York. It was built in 1972 and reconstructed in 1999, so it is 53 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 5,949 vehicles a day, roughly 25% of them trucks, projected to reach 11,098 by 2041. The structure is 135 ft (41.1 m) long and 46 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps
CarriesRTE I86
CrossesRTE 305
LocationJCT 86I & 305
RouteInterstate 86
CountyAllegany County
StateNew York
Coordinates42.22438, -78.27798
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span125 ft (38.1 m)
Deck width46 ft (13.9 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,949 (2021)
Projected traffic11,098 by 2041
Trucks25%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed28 mi (45 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$3.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I86 over RTE 305 built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1999.

What condition is RTE I86 over RTE 305 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 April 2023.

How much traffic does RTE I86 over RTE 305 carry?

About 5,949 vehicles per day (2021 count), of which roughly 25% are trucks.

How long is RTE I86 over RTE 305?

The structure is 135 ft (41.1 m) long with a longest span of 125 ft (38.1 m) and a deck 46 ft wide.

Who owns RTE I86 over RTE 305?

It is owned by the State Highway Agency.