US Bridges

RTE I88 over Machinery Un-Pass

Fair

Otsego County, New York · 0.5 MI SW Oneonta City Li · Structure no. 000000001094330

Built
1973
52 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
11,731
2019 count
Owner
State
State Highway Agency

About this bridge

RTE I88 over Machinery Un-Pass is a steel culvert carrying RTE I88 over Machinery Un-Pass 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 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 11,731 vehicles a day, roughly 20% of them trucks, projected to reach 15,430 by 2041. The structure is 21 ft (6.4 m) long.

CarriesRTE I88
CrossesMachinery Un-Pass
Location0.5 MI SW Oneonta City Li
RouteInterstate 88
Coordinates42.43038, -75.11488
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
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span20 ft (6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck99 ft (30.2 m)

Traffic and service

Average daily traffic11,731 (2019)
Projected traffic15,430 by 2041
Trucks20%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
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$263,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I88 over Machinery Un-Pass built?

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

What condition is RTE I88 over Machinery Un-Pass 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 2023.

How much traffic does RTE I88 over Machinery Un-Pass carry?

About 11,731 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is RTE I88 over Machinery Un-Pass?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6 m).

Who owns RTE I88 over Machinery Un-Pass?

It is owned by the State Highway Agency.