US Bridges

Old Post Road over Moordener Kill

Good

Rensselaer County, New York · 2.9 MI NW Castleton · Structure no. 000000002202070

Built
1985
40 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
987
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Old Post Road over Moordener Kill is a prestressed concrete box beam or girders - multiple carrying Old Post Road over Moordener Kill in Rensselaer County, New York. It was built in 1985, so it is 40 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 987 vehicles a day, roughly 5% of them trucks, projected to reach 1,382 by 2037. The structure is 50 ft (15.2 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesOld Post Road
CrossesMoordener Kill
Location2.9 MI NW Castleton
Coordinates42.54968, -73.68945
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating103 US tons
Inventory rating61.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic987 (2017)
Projected traffic1,382 by 2037
Trucks5%
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

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Post Road over Moordener Kill built?

It was built in 1985, making it 40 years old in 2025.

What condition is Old Post Road over Moordener Kill in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2024.

How much traffic does Old Post Road over Moordener Kill carry?

About 987 vehicles per day (2017 count), of which roughly 5% are trucks.

How long is Old Post Road over Moordener Kill?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 30 ft wide.

Who owns Old Post Road over Moordener Kill?

It is owned by the Town or Township Highway Agency.