US Bridges

RTE I88 over Big Brook

Fair

Chenango County, New York · 4.1 MI N Exit 7 on I88-EB · Structure no. 000000001094972

Built
1974
51 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
70 ft
3 main spans
Daily traffic
4,666
2019 count
Owner
State
State Highway Agency

About this bridge

RTE I88 over Big Brook is a concrete culvert carrying RTE I88 over Big Brook in Chenango County, New York. It was built in 1974, so it is 51 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 5 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 4,666 vehicles a day, roughly 26% of them trucks, projected to reach 5,556 by 2041. The structure is 70 ft (21.3 m) long and 44 ft wide. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesRTE I88
CrossesBig Brook
Location4.1 MI N Exit 7 on I88-EB
RouteInterstate 88
CountyChenango County
StateNew York
Coordinates42.26123, -75.46863
Functional classRural 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81 US tons
Inventory rating48 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span23 ft (7 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,666 (2019)
Projected traffic5,556 by 2041
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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$1.1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I88 over Big Brook built?

It was built in 1974, making it 51 years old in 2025.

What condition is RTE I88 over Big Brook 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 April 2024.

How much traffic does RTE I88 over Big Brook carry?

About 4,666 vehicles per day (2019 count), of which roughly 26% are trucks.

How long is RTE I88 over Big Brook?

The structure is 70 ft (21.3 m) long with a longest span of 23 ft (7 m) and a deck 44 ft wide.

Who owns RTE I88 over Big Brook?

It is owned by the State Highway Agency.