US Bridges

RTE 406 over Normans Kill

Fair

Schenectady County, New York · In Pine Grove · Structure no. 000000001047730

Built
1946
79 years old, rebuilt 1986
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
1,454
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 406 over Normans Kill is a steel stringer/multi-beam or girder carrying RTE 406 over Normans Kill in Schenectady County, New York. It was built in 1946 and reconstructed in 1986, so it is 79 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 1,454 vehicles a day, roughly 7% of them trucks, projected to reach 1,799 by 2041. The structure is 70 ft (21.3 m) long and 36 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesRTE 406
CrossesNormans Kill
LocationIn Pine Grove
RouteState Highway 406
CountySchenectady County
StateNew York
Coordinates42.76391, -74.00164
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span69 ft (21 m)
Deck width36 ft (10.9 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,454 (2020)
Projected traffic1,799 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 406 over Normans Kill built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 1986.

What condition is RTE 406 over Normans 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 June 2023.

How much traffic does RTE 406 over Normans Kill carry?

About 1,454 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is RTE 406 over Normans Kill?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (21 m) and a deck 36 ft wide.

Who owns RTE 406 over Normans Kill?

It is owned by the State Highway Agency.