US Bridges

RTE I88 over Cobleskill Creek

Fair

Schoharie County, New York · 800 E Mill ST Overpass W · Structure no. 000000001070591

Built
1980
45 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
138 ft
1 main span
Daily traffic
4,525
2014 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 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 4,525 vehicles a day, roughly 31% of them trucks. The structure is 138 ft (42.1 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
Location800 E Mill ST Overpass W
RouteInterstate 88
CountySchoharie County
StateNew York
Coordinates42.6378, -74.56992
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating67 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length138 ft (42.1 m)
Longest span132 ft (40.2 m)
Deck width44 ft (13.4 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,525 (2014)
Projected traffic—
Trucks31%
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$3.3 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 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 September 2024.

How much traffic does RTE I88 over Cobleskill Creek carry?

About 4,525 vehicles per day (2014 count), of which roughly 31% are trucks.

How long is RTE I88 over Cobleskill Creek?

The structure is 138 ft (42.1 m) long with a longest span of 132 ft (40.2 m) and a deck 44 ft wide.

Who owns RTE I88 over Cobleskill Creek?

It is owned by the State Highway Agency.