US Bridges

East Hill Road over Mad Brook

Fair

Chenango County, New York · 1.4 MI East of Sherburne · Structure no. 000000003351460

Built
1937
88 years old, rebuilt 2008
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
236
2021 count
Owner
County
County Highway Agency

About this bridge

East Hill Road over Mad Brook is a prestressed concrete box beam or girders - multiple carrying East Hill Road over Mad Brook in Chenango County, New York. It was built in 1937 and reconstructed in 2008, so it is 88 years old, older 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 236 vehicles a day, roughly 6% of them trucks, projected to reach 330 by 2041. The structure is 49 ft (14.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesEast Hill Road
CrossesMad Brook
Location1.4 MI East of Sherburne
Coordinates42.6812, -75.46346
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating52.1 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length49 ft (14.9 m)
Longest span46 ft (14 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic236 (2021)
Projected traffic330 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$907,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was East Hill Road over Mad Brook built?

It was built in 1937, making it 88 years old in 2025. It was reconstructed in 2008.

What condition is East Hill Road over Mad 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 August 2024.

How much traffic does East Hill Road over Mad Brook carry?

About 236 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is East Hill Road over Mad Brook?

The structure is 49 ft (14.9 m) long with a longest span of 46 ft (14 m) and a deck 26 ft wide.

Who owns East Hill Road over Mad Brook?

It is owned by the County Highway Agency.