US Bridges

RTE I88 over Cobleskill Creek

Fair

Schoharie County, New York · .3 MI E of Richmondville · Structure no. 000000001070002

Built
1980
45 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
124 ft
1 main span
Daily traffic
4,315
2020 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 4,315 vehicles a day, roughly 33% of them trucks, projected to reach 5,675 by 2041. The structure is 124 ft (37.8 m) long and 57 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRTE I88
CrossesCobleskill Creek
Location.3 MI E of Richmondville
RouteInterstate 88
CountySchoharie County
StateNew York
Coordinates42.64231, -74.54282
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating102 US tons
Inventory rating61 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length124 ft (37.8 m)
Longest span119 ft (36.2 m)
Deck width57 ft (17.3 m)
Roadway width55 ft (16.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,315 (2020)
Projected traffic5,675 by 2041
Trucks33%
Lanes on structure3
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$3.6 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 October 2024.

How much traffic does RTE I88 over Cobleskill Creek carry?

About 4,315 vehicles per day (2020 count), of which roughly 33% are trucks.

How long is RTE I88 over Cobleskill Creek?

The structure is 124 ft (37.8 m) long with a longest span of 119 ft (36.2 m) and a deck 57 ft wide.

Who owns RTE I88 over Cobleskill Creek?

It is owned by the State Highway Agency.