US Bridges

South Bay Road over Pike Brook

Fair

Washington County, New York · 2.7 MI Nnw JCT US4 & SH22 · Structure no. 000000003306180

Built
1936
89 years old, rebuilt 2006
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
38
2017 count
Owner
County
County Highway Agency

About this bridge

South Bay Road over Pike Brook is a steel stringer/multi-beam or girder carrying South Bay Road over Pike Brook in Washington County, New York. It was built in 1936 and reconstructed in 2006, so it is 89 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 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 38 vehicles a day, roughly 10% of them trucks, projected to reach 53 by 2037. The structure is 35 ft (10.7 m) long and 25 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSouth Bay Road
CrossesPike Brook
Location2.7 MI Nnw JCT US4 & SH22
Coordinates43.55003, -73.4646
Functional classRural 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating110.1 US tons
Inventory rating103 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length35 ft (10.7 m)
Longest span30 ft (9.1 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38 (2017)
Projected traffic53 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$522,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Bay Road over Pike Brook built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 2006.

What condition is South Bay Road over Pike Brook 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 South Bay Road over Pike Brook carry?

About 38 vehicles per day (2017 count), of which roughly 10% are trucks.

How long is South Bay Road over Pike Brook?

The structure is 35 ft (10.7 m) long with a longest span of 30 ft (9.1 m) and a deck 25 ft wide.

Who owns South Bay Road over Pike Brook?

It is owned by the County Highway Agency.