US Bridges

RTE I88 over Cobleskill Creek

Good

Schoharie County, New York · 200 W Mill ST Overpass E · Structure no. 000000001070572

Built
1980
45 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
154 ft
1 main span
Daily traffic
4,180
2019 count
Owner
State
State Highway Agency

About this bridge

RTE I88 over Cobleskill Creek is a steel stringer/multi-beam or girder carrying RTE I88 over Cobleskill Creek in Schoharie County, New York. It was built in 1980, so it is 45 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 4,180 vehicles a day, roughly 28% of them trucks, projected to reach 5,497 by 2041. The structure is 154 ft (46.9 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I88
CrossesCobleskill Creek
Location200 W Mill ST Overpass E
RouteInterstate 88
CountySchoharie County
StateNew York
Coordinates42.6388, -74.57364
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating85 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length154 ft (46.9 m)
Longest span148 ft (45.1 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,180 (2019)
Projected traffic5,497 by 2041
Trucks28%
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$3.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I88 over Cobleskill Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is RTE I88 over Cobleskill 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 September 2023.

How much traffic does RTE I88 over Cobleskill Creek carry?

About 4,180 vehicles per day (2019 count), of which roughly 28% are trucks.

How long is RTE I88 over Cobleskill Creek?

The structure is 154 ft (46.9 m) long with a longest span of 148 ft (45.1 m) and a deck 44 ft wide.

Who owns RTE I88 over Cobleskill Creek?

It is owned by the State Highway Agency.