US Bridges

RTE 9 over Dwaas Kill

Good

Saratoga County, New York · Rt 9 2.7 MI S of Round Lk · Structure no. 000000001005590

Built
1960
65 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
14,756
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 9 over Dwaas Kill is a concrete continuous culvert carrying RTE 9 over Dwaas Kill in Saratoga County, New York. It was built in 1960, so it is 65 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 14,756 vehicles a day, roughly 7% of them trucks, projected to reach 14,825 by 2041. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 9
CrossesDwaas Kill
LocationRt 9 2.7 MI S of Round Lk
RouteU.S. Route 9
Coordinates42.90284, -73.77424
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating96 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span16 ft (4.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,756 (2019)
Projected traffic14,825 by 2041
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9 over Dwaas Kill built?

It was built in 1960, making it 65 years old in 2025.

What condition is RTE 9 over Dwaas Kill in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does RTE 9 over Dwaas Kill carry?

About 14,756 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is RTE 9 over Dwaas Kill?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.8 m).

Who owns RTE 9 over Dwaas Kill?

It is owned by the State Highway Agency.