US Bridges

County Road 109 over Sunkauissia Creek

Fair

Rensselaer County, New York · 0.3 Mi.N.Of Boyntonville · Structure no. 000000003303440

Built
1938
87 years old
Condition
Fair
inspected March 2024
Type
Culvert
Steel
Length
42 ft
2 main spans
Daily traffic
637
2021 count
Owner
County
County Highway Agency

About this bridge

County Road 109 over Sunkauissia Creek is a steel culvert carrying County Road 109 over Sunkauissia Creek in Rensselaer County, New York. It was built in 1938, so it is 87 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 637 vehicles a day, roughly 4% of them trucks, projected to reach 892 by 2041. The structure is 42 ft (12.8 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCounty Road 109
CrossesSunkauissia Creek
Location0.3 Mi.N.Of Boyntonville
RouteCounty Highway 0
CountyRensselaer County
StateNew York
Coordinates42.85001, -73.45557
Functional classRural Minor 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.9 US tons
Inventory rating21.6 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length42 ft (12.8 m)
Longest span20 ft (6.1 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic637 (2021)
Projected traffic892 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$367,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 109 over Sunkauissia Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is County Road 109 over Sunkauissia Creek 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 March 2024.

How much traffic does County Road 109 over Sunkauissia Creek carry?

About 637 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is County Road 109 over Sunkauissia Creek?

The structure is 42 ft (12.8 m) long with a longest span of 20 ft (6.1 m) and a deck 28 ft wide.

Who owns County Road 109 over Sunkauissia Creek?

It is owned by the County Highway Agency.