US Bridges

Snake Hill Road over CSX Trans/River Line

Fair

Rockland County, New York · .8 MI NW JCT I87 & SH 303 · Structure no. 000000003345780

Built
1989
36 years old, rebuilt 2023
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
7,800
2019 count
Owner
County
County Highway Agency

About this bridge

Snake Hill Road over CSX Trans/River Line is a prestressed concrete box beam or girders - multiple carrying Snake Hill Road over CSX Trans/River Line in Rockland County, New York. It was built in 1989 and reconstructed in 2023, so it is 36 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 7,800 vehicles a day, roughly 3% of them trucks, projected to reach 9,650 by 2041. The structure is 50 ft (15.2 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSnake Hill Road
CrossesCSX Trans/River Line
Location.8 MI NW JCT I87 & SH 303
Coordinates41.10597, -73.96479
Functional classUrban 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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating68 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width39 ft (11.9 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,800 (2019)
Projected traffic9,650 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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$2.7 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Snake Hill Road over CSX Trans/River Line built?

It was built in 1989, making it 36 years old in 2025. It was reconstructed in 2023.

What condition is Snake Hill Road over CSX Trans/River Line 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 Snake Hill Road over CSX Trans/River Line carry?

About 7,800 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Snake Hill Road over CSX Trans/River Line?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 39 ft wide.

Who owns Snake Hill Road over CSX Trans/River Line?

It is owned by the County Highway Agency.