US Bridges

Tiffault RD over Mourning Kill

Fair

Saratoga County, New York · .5 MI S JCT NY50<NY67 · Structure no. 000000003304670

Built
1962
63 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
43
2017 count
Owner
County
County Highway Agency

About this bridge

Tiffault RD over Mourning Kill is a steel stringer/multi-beam or girder carrying Tiffault RD over Mourning Kill in Saratoga County, New York. It was built in 1962, so it is 63 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 43 vehicles a day, roughly 10% of them trucks, projected to reach 60 by 2037. The structure is 29 ft (8.8 m) long and 26 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesTiffault RD
CrossesMourning Kill
Location.5 MI S JCT NY50<NY67
Coordinates42.97654, -73.85069
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating79 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length29 ft (8.8 m)
Longest span26 ft (7.9 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43 (2017)
Projected traffic60 by 2037
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$712,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Tiffault RD over Mourning Kill built?

It was built in 1962, making it 63 years old in 2025.

What condition is Tiffault RD over Mourning 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 2024.

How much traffic does Tiffault RD over Mourning Kill carry?

About 43 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is Tiffault RD over Mourning Kill?

The structure is 29 ft (8.8 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns Tiffault RD over Mourning Kill?

It is owned by the County Highway Agency.