US Bridges

County Road 120 over Mill Hollow Creek

Fair

Rensselaer County, New York · 3.3 MI NW Schaghticoke Vi · Structure no. 000000003303330

Built
1949
76 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete
Length
38 ft
1 main span
Daily traffic
1,015
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 120 over Mill Hollow Creek is a concrete slab carrying County Road 120 over Mill Hollow Creek in Rensselaer County, New York. It was built in 1949, so it is 76 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 1,015 vehicles a day, roughly 5% of them trucks, projected to reach 1,476 by 2041. The structure is 38 ft (11.6 m) long and 29 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

Location

Open in Google Maps
CarriesCounty Road 120
CrossesMill Hollow Creek
Location3.3 MI NW Schaghticoke Vi
RouteCounty Highway 0
CountyRensselaer County
StateNew York
Coordinates42.93964, -73.63472
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating50 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length38 ft (11.6 m)
Longest span37 ft (11.2 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,015 (2020)
Projected traffic1,476 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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$999,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 120 over Mill Hollow Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is County Road 120 over Mill Hollow 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 June 2024.

How much traffic does County Road 120 over Mill Hollow Creek carry?

About 1,015 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is County Road 120 over Mill Hollow Creek?

The structure is 38 ft (11.6 m) long with a longest span of 37 ft (11.2 m) and a deck 29 ft wide.

Who owns County Road 120 over Mill Hollow Creek?

It is owned by the County Highway Agency.