US Bridges

RTE 912M over Muitzes Kill

Fair

Rensselaer County, New York · 2.3 MI SW Castleton · Structure no. 000000005513381

Built
1958
67 years old, rebuilt 1993
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
194 ft
3 main spans
Daily traffic
7,110
2020 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE 912M over Muitzes Kill is a steel stringer/multi-beam or girder carrying RTE 912M over Muitzes Kill in Rensselaer County, New York. It was built in 1958 and reconstructed in 1993, so it is 67 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 7,110 vehicles a day, roughly 42% of them trucks, projected to reach 11,094 by 2041. The structure is 194 ft (59 m) long and 45 ft wide. If it were closed, the detour would be 23.6 mi (38 km).

Location

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CarriesRTE 912M
CrossesMuitzes Kill
Location2.3 MI SW Castleton
RouteState Highway 912M
CountyRensselaer County
StateNew York
Coordinates42.49568, -73.73092
Functional classRural Principal Arterial - Other

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length194 ft (59 m)
Longest span67 ft (20.4 m)
Deck width45 ft (13.6 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,110 (2020)
Projected traffic11,094 by 2041
Trucks42%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23.6 mi (38 km)
TollOn an Interstate toll segment under Secretarial agreement
National Highway SystemYes

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$3.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 912M over Muitzes Kill built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1993.

What condition is RTE 912M over Muitzes Kill 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 2023.

How much traffic does RTE 912M over Muitzes Kill carry?

About 7,110 vehicles per day (2020 count), of which roughly 42% are trucks.

How long is RTE 912M over Muitzes Kill?

The structure is 194 ft (59 m) long with a longest span of 67 ft (20.4 m) and a deck 45 ft wide.

Who owns RTE 912M over Muitzes Kill?

It is owned by the State Toll Authority.