US Bridges

Chamberlain Mills over Black Creek

Fair

Washington County, New York · 1 MI E of West Hebron · Structure no. 000000003305780

Built
1928
97 years old, rebuilt 2004
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
317
2019 count
Owner
County
County Highway Agency

About this bridge

Chamberlain Mills over Black Creek is a steel stringer/multi-beam or girder carrying Chamberlain Mills over Black Creek in Washington County, New York. It was built in 1928 and reconstructed in 2004, so it is 97 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 317 vehicles a day, roughly 11% of them trucks, projected to reach 444 by 2039. The structure is 46 ft (14 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesChamberlain Mills
CrossesBlack Creek
Location1 MI E of West Hebron
Coordinates43.2324, -73.35573
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length46 ft (14 m)
Longest span41 ft (12.5 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic317 (2019)
Projected traffic444 by 2039
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$662,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Chamberlain Mills over Black Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 2004.

What condition is Chamberlain Mills over Black Creek 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 April 2024.

How much traffic does Chamberlain Mills over Black Creek carry?

About 317 vehicles per day (2019 count), of which roughly 11% are trucks.

How long is Chamberlain Mills over Black Creek?

The structure is 46 ft (14 m) long with a longest span of 41 ft (12.5 m) and a deck 27 ft wide.

Who owns Chamberlain Mills over Black Creek?

It is owned by the County Highway Agency.