US Bridges

RTE I88 over Main Street

Good

Otsego County, New York · At City of Oneonta · Structure no. 000000001095319

Built
1973
52 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
17,709
2019 count
Owner
State
State Highway Agency

About this bridge

RTE I88 over Main Street is a prestressed concrete stringer/multi-beam or girder carrying RTE I88 over Main Street in Otsego County, New York. It was built in 1973, so it is 52 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 17,709 vehicles a day, roughly 19% of them trucks, projected to reach 23,294 by 2041. The structure is 101 ft (30.8 m) long and 98 ft wide.

CarriesRTE I88
CrossesMain Street
LocationAt City of Oneonta
RouteInterstate 88
Coordinates42.44646, -75.06352
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.
Last inspectionNovember 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 rating94 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span96 ft (29.2 m)
Deck width98 ft (30 m)
Roadway width95 ft (29 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,709 (2019)
Projected traffic23,294 by 2041
Trucks19%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$6.6 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE I88 over Main Street built?

It was built in 1973, making it 52 years old in 2025.

What condition is RTE I88 over Main Street 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 November 2023.

How much traffic does RTE I88 over Main Street carry?

About 17,709 vehicles per day (2019 count), of which roughly 19% are trucks.

How long is RTE I88 over Main Street?

The structure is 101 ft (30.8 m) long with a longest span of 96 ft (29.2 m) and a deck 98 ft wide.

Who owns RTE I88 over Main Street?

It is owned by the State Highway Agency.