US Bridges

Hilltop Road over Flat Creek

Fair

Montgomery County, New York · 2.8 MI S of Sprakers · Structure no. 000000003309850

Built
2005
20 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
71 ft
1 main span
Daily traffic
123
2019 count
Owner
County
County Highway Agency

About this bridge

Hilltop Road over Flat Creek is a prestressed concrete box beam or girders - multiple carrying Hilltop Road over Flat Creek in Montgomery County, New York. It was built in 2005, so it is 20 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 123 vehicles a day, roughly 4% of them trucks, projected to reach 172 by 2039. The structure is 71 ft (21.6 m) long and 33 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesHilltop Road
CrossesFlat Creek
Location2.8 MI S of Sprakers
RouteCounty Highway 0
Coordinates42.85219, -74.52373
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

MaterialPrestressed Concrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length71 ft (21.6 m)
Longest span67 ft (20.4 m)
Deck width33 ft (10.2 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2019)
Projected traffic172 by 2039
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hilltop Road over Flat Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Hilltop Road over Flat 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 October 2023.

How much traffic does Hilltop Road over Flat Creek carry?

About 123 vehicles per day (2019 count), of which roughly 4% are trucks.

How long is Hilltop Road over Flat Creek?

The structure is 71 ft (21.6 m) long with a longest span of 67 ft (20.4 m) and a deck 33 ft wide.

Who owns Hilltop Road over Flat Creek?

It is owned by the County Highway Agency.