US Bridges

Monitor Mill Road over South Sandy Creek

Fair

Jefferson County, New York · 1.2 MI NE of Ellisburg · Structure no. 000000003338410

Built
1998
27 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
101 ft
1 main span
Daily traffic
172
2019 count
Owner
County
County Highway Agency

About this bridge

Monitor Mill Road over South Sandy Creek is a prestressed concrete box beam or girders - multiple carrying Monitor Mill Road over South Sandy Creek in Jefferson 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 172 vehicles a day, roughly 17% of them trucks, projected to reach 241 by 2039. The structure is 101 ft (30.8 m) long and 17 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMonitor Mill Road
CrossesSouth Sandy Creek
Location1.2 MI NE of Ellisburg
Coordinates43.74469, -76.12684
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length101 ft (30.8 m)
Longest span100 ft (30.4 m)
Deck width17 ft (5.3 m)
Roadway width15 ft (4.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic172 (2019)
Projected traffic241 by 2039
Trucks17%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$487,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Monitor Mill Road over South Sandy Creek built?

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

What condition is Monitor Mill Road over South Sandy 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 May 2024.

How much traffic does Monitor Mill Road over South Sandy Creek carry?

About 172 vehicles per day (2019 count), of which roughly 17% are trucks.

How long is Monitor Mill Road over South Sandy Creek?

The structure is 101 ft (30.8 m) long with a longest span of 100 ft (30.4 m) and a deck 17 ft wide.

Who owns Monitor Mill Road over South Sandy Creek?

It is owned by the County Highway Agency.