US Bridges

Old Troy Road over Mill Creek

Fair

Rensselaer County, New York · 0.4 MI NE of US20 · Structure no. 000000002201570

Built
1938
87 years old, rebuilt 2023
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
230
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Old Troy Road over Mill Creek is a steel stringer/multi-beam or girder carrying Old Troy Road over Mill Creek in Rensselaer County, New York. It was built in 1938 and reconstructed in 2023, so it is 87 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 230 vehicles a day, roughly 5% of them trucks, projected to reach 322 by 2041. The structure is 27 ft (8.2 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesOld Troy Road
CrossesMill Creek
Location0.4 MI NE of US20
CountyRensselaer County
StateNew York
Coordinates42.60657, -73.71027
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length27 ft (8.2 m)
Longest span25 ft (7.6 m)
Deck width23 ft (6.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2021)
Projected traffic322 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$535,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Troy Road over Mill Creek built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 2023.

What condition is Old Troy Road over Mill 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 December 2023.

How much traffic does Old Troy Road over Mill Creek carry?

About 230 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Old Troy Road over Mill Creek?

The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 23 ft wide.

Who owns Old Troy Road over Mill Creek?

It is owned by the Town or Township Highway Agency.