US Bridges

Middle Line RD over Mourning Kill

Fair

Saratoga County, New York · 1.5 MI SW JCT Nys 50 & 67 · Structure no. 000000003304380

Built
1998
27 years old
Condition
Fair
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
3,315
2020 count
Owner
County
County Highway Agency

About this bridge

Middle Line RD over Mourning Kill is a prestressed concrete box beam or girders - multiple carrying Middle Line RD over Mourning Kill in Saratoga County, New York. It was built in 1998, so it is 27 years old, younger 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 6 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 3,315 vehicles a day, roughly 8% of them trucks, projected to reach 3,458 by 2041. The structure is 42 ft (12.8 m) long and 37 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesMiddle Line RD
CrossesMourning Kill
Location1.5 MI SW JCT Nys 50 & 67
RouteCounty Highway 0
Coordinates42.97005, -73.87933
Functional classRural Major 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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width37 ft (11.3 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,315 (2020)
Projected traffic3,458 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$1.2 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Middle Line RD over Mourning Kill built?

It was built in 1998, making it 27 years old in 2025.

What condition is Middle Line 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 April 2024.

How much traffic does Middle Line RD over Mourning Kill carry?

About 3,315 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Middle Line RD over Mourning Kill?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 37 ft wide.

Who owns Middle Line RD over Mourning Kill?

It is owned by the County Highway Agency.