US Bridges

RTE I86 over Post Creek

Good

Steuben County, New York · 0.5 Miles East of Interse · Structure no. 000000001072820

Built
1985
40 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
233 ft
2 main spans
Daily traffic
29,969
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I86 over Post Creek is a steel continuous stringer/multi-beam or girder carrying RTE I86 over Post Creek in Steuben County, New York. It was built in 1985, so it is 40 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 29,969 vehicles a day, roughly 21% of them trucks, projected to reach 46,005 by 2041. The structure is 233 ft (71 m) long and 86 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesRTE I86
CrossesPost Creek
Location0.5 Miles East of Interse
RouteInterstate 86
Coordinates42.15213, -77.04493
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.6 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length233 ft (71 m)
Longest span115 ft (35 m)
Deck width86 ft (26.2 m)
Roadway width82 ft (25 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,969 (2020)
Projected traffic46,005 by 2041
Trucks21%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$10.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I86 over Post Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is RTE I86 over Post Creek 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 May 2024.

How much traffic does RTE I86 over Post Creek carry?

About 29,969 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is RTE I86 over Post Creek?

The structure is 233 ft (71 m) long with a longest span of 115 ft (35 m) and a deck 86 ft wide.

Who owns RTE I86 over Post Creek?

It is owned by the State Highway Agency.