US Bridges

Mill Hook Road over Mill Stream

Fair

Ulster County, New York · 1.3 MI NW of Accord · Structure no. 000000002224430

Built
1948
77 years old, rebuilt 2021
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
25 ft
1 main span
Daily traffic
72
2019 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Mill Hook Road over Mill Stream is a concrete slab carrying Mill Hook Road over Mill Stream in Ulster County, New York. It was built in 1948 and reconstructed in 2021, so it is 77 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 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 72 vehicles a day, roughly 7% of them trucks, projected to reach 101 by 2039. The structure is 25 ft (7.6 m) long and 23 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMill Hook Road
CrossesMill Stream
Location1.3 MI NW of Accord
Coordinates41.80208, -74.24085
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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating79.8 US tons
Inventory rating34.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width23 ft (6.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72 (2019)
Projected traffic101 by 2039
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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$285,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Hook Road over Mill Stream built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2021.

What condition is Mill Hook Road over Mill Stream 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 Mill Hook Road over Mill Stream carry?

About 72 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is Mill Hook Road over Mill Stream?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.

Who owns Mill Hook Road over Mill Stream?

It is owned by the Town or Township Highway Agency.