US Bridges

Mill Brook Road over Mill Brook

Fair

Ulster County, New York · 4.9 MI E of Grant Mills · Structure no. 000000002224260

Built
2000
25 years old
Condition
Fair
inspected December 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
51
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mill Brook Road over Mill Brook is a concrete culvert carrying Mill Brook Road over Mill Brook in Ulster County, New York. It was built in 2000, so it is 25 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 51 vehicles a day, roughly 11% of them trucks, projected to reach 71 by 2039. The structure is 24 ft (7.3 m) long and 18 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

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CarriesMill Brook Road
CrossesMill Brook
Location4.9 MI E of Grant Mills
CountyUlster County
StateNew York
Coordinates42.06821, -74.59311
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width18 ft (5.6 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic51 (2019)
Projected traffic71 by 2039
Trucks11%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$356,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Brook Road over Mill Brook built?

It was built in 2000, making it 25 years old in 2025.

What condition is Mill Brook Road over Mill 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 December 2024.

How much traffic does Mill Brook Road over Mill Brook carry?

About 51 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is Mill Brook Road over Mill Brook?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 18 ft wide.

Who owns Mill Brook Road over Mill Brook?

It is owned by the Town or Township Highway Agency.