US Bridges

Middlebrook Hill over Middle Brook

Fair

Delaware County, New York · 0.3 MI S of N Harpersfiel · Structure no. 000000003352760

Built
1981
44 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
212
2019 count
Owner
County
County Highway Agency

About this bridge

Middlebrook Hill over Middle Brook is a steel stringer/multi-beam or girder carrying Middlebrook Hill over Middle Brook in Delaware County, New York. It was built in 1981, so it is 44 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 212 vehicles a day, roughly 8% of them trucks, projected to reach 297 by 2039. The structure is 36 ft (11 m) long and 29 ft wide. If it were closed, the detour would be 13.7 mi (22 km).

Location

Open in Google Maps
CarriesMiddlebrook Hill
CrossesMiddle Brook
Location0.3 MI S of N Harpersfiel
CountyDelaware County
StateNew York
Coordinates42.47009, -74.68488
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span32 ft (9.7 m)
Deck width29 ft (8.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic212 (2019)
Projected traffic297 by 2039
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13.7 mi (22 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$807,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Middlebrook Hill over Middle Brook built?

It was built in 1981, making it 44 years old in 2025.

What condition is Middlebrook Hill over Middle 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 March 2023.

How much traffic does Middlebrook Hill over Middle Brook carry?

About 212 vehicles per day (2019 count), of which roughly 8% are trucks.

How long is Middlebrook Hill over Middle Brook?

The structure is 36 ft (11 m) long with a longest span of 32 ft (9.7 m) and a deck 29 ft wide.

Who owns Middlebrook Hill over Middle Brook?

It is owned by the County Highway Agency.