US Bridges

Pattens Mills RD over Halfway Brook

Fair

Washington County, New York · At Pattens Mills · Structure no. 000000003306730

Built
1942
83 years old, rebuilt 1999
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
45 ft
1 main span
Daily traffic
643
2017 count
Owner
County
County Highway Agency

About this bridge

Pattens Mills RD over Halfway Brook is a steel stringer/multi-beam or girder carrying Pattens Mills RD over Halfway Brook in Washington County, New York. It was built in 1942 and reconstructed in 1999, so it is 83 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 643 vehicles a day, roughly 5% of them trucks, projected to reach 900 by 2037. The structure is 45 ft (13.7 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesPattens Mills RD
CrossesHalfway Brook
LocationAt Pattens Mills
Coordinates43.383, -73.60494
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating87 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length45 ft (13.7 m)
Longest span42 ft (12.8 m)
Deck width24 ft (7.3 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic643 (2017)
Projected traffic900 by 2037
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$819,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pattens Mills RD over Halfway Brook built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1999.

What condition is Pattens Mills RD over Halfway 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 May 2024.

How much traffic does Pattens Mills RD over Halfway Brook carry?

About 643 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Pattens Mills RD over Halfway Brook?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.8 m) and a deck 24 ft wide.

Who owns Pattens Mills RD over Halfway Brook?

It is owned by the County Highway Agency.