US Bridges

Round Top Road over Trout Brook

Fair

Greene County, New York · .2 MI N of Round Top · Structure no. 000000003303240

Built
1990
35 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
1,148
2017 count
Owner
County
County Highway Agency

About this bridge

Round Top Road over Trout Brook is a prestressed concrete box beam or girders - multiple carrying Round Top Road over Trout Brook in Greene County, New York. It was built in 1990, so it is 35 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 1,148 vehicles a day, roughly 7% of them trucks, projected to reach 1,197 by 2041. The structure is 57 ft (17.4 m) long and 33 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesRound Top Road
CrossesTrout Brook
Location.2 MI N of Round Top
RouteCounty Highway 0
CountyGreene County
StateNew York
Coordinates42.27112, -74.02765
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating36 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length57 ft (17.4 m)
Longest span53 ft (16.1 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,148 (2017)
Projected traffic1,197 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Round Top Road over Trout Brook built?

It was built in 1990, making it 35 years old in 2025.

What condition is Round Top Road over Trout 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 Round Top Road over Trout Brook carry?

About 1,148 vehicles per day (2017 count), of which roughly 7% are trucks.

How long is Round Top Road over Trout Brook?

The structure is 57 ft (17.4 m) long with a longest span of 53 ft (16.1 m) and a deck 33 ft wide.

Who owns Round Top Road over Trout Brook?

It is owned by the County Highway Agency.