US Bridges

County Road 1 over Route 912M

Poor

Rensselaer County, New York · 2 MI S Castleton Village · Structure no. 000000005513370

Built
1956
69 years old
Condition
Poor
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
170 ft
3 main spans
Daily traffic
454
2017 count
Owner
Toll Authority
State Toll Authority

About this bridge

County Road 1 over Route 912M is a steel stringer/multi-beam or girder carrying County Road 1 over Route 912M in Rensselaer County, New York. It was built in 1956, so it is 69 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 454 vehicles a day, roughly 6% of them trucks, projected to reach 636 by 2037. The structure is 170 ft (51.8 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesCounty Road 1
CrossesRoute 912M
Location2 MI S Castleton Village
CountyRensselaer County
StateNew York
Coordinates42.49895, -73.74059
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length170 ft (51.8 m)
Longest span60 ft (18.3 m)
Deck width31 ft (9.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic454 (2017)
Projected traffic636 by 2037
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Road 1 over Route 912M built?

It was built in 1956, making it 69 years old in 2025.

What condition is County Road 1 over Route 912M in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does County Road 1 over Route 912M carry?

About 454 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is County Road 1 over Route 912M?

The structure is 170 ft (51.8 m) long with a longest span of 60 ft (18.3 m) and a deck 31 ft wide.

Who owns County Road 1 over Route 912M?

It is owned by the State Toll Authority.