US Bridges

RTE I87 over Dwaas Kill

Fair

Saratoga County, New York · 0.2 MI N JCT I87 & CR 109 · Structure no. 000000001033242

Built
1958
67 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
29 ft
2 main spans
Daily traffic
39,073
2021 count
Owner
State
State Highway Agency

About this bridge

RTE I87 over Dwaas Kill is a steel culvert carrying RTE I87 over Dwaas Kill in Saratoga County, New York. It was built in 1958, so it is 67 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 39,073 vehicles a day, roughly 10% of them trucks, projected to reach 61,918 by 2041. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE I87
CrossesDwaas Kill
Location0.2 MI N JCT I87 & CR 109
RouteInterstate 87
CountySaratoga County
StateNew York
Coordinates42.89237, -73.77965
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,073 (2021)
Projected traffic61,918 by 2041
Trucks10%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$470,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I87 over Dwaas Kill built?

It was built in 1958, making it 67 years old in 2025.

What condition is RTE I87 over Dwaas 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 2024.

How much traffic does RTE I87 over Dwaas Kill carry?

About 39,073 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is RTE I87 over Dwaas Kill?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (4 m).

Who owns RTE I87 over Dwaas Kill?

It is owned by the State Highway Agency.