US Bridges

Oak Tree Road over Sparkill Creek

Good

Rockland County, New York · 500 S of CR 8 · Structure no. 000000002271060

Built
2015
10 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
4,905
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Oak Tree Road over Sparkill Creek is a prestressed concrete box beam or girders - multiple carrying Oak Tree Road over Sparkill Creek in Rockland County, New York. It was built in 2015, so it is 10 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,905 vehicles a day, roughly 1% of them trucks, projected to reach 4,928 by 2041. The structure is 44 ft (13.4 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesOak Tree Road
CrossesSparkill Creek
Location500 S of CR 8
Coordinates41.02059, -73.94683
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating61 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width36 ft (10.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,905 (2021)
Projected traffic4,928 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Oak Tree Road over Sparkill Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is Oak Tree Road over Sparkill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Oak Tree Road over Sparkill Creek carry?

About 4,905 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Oak Tree Road over Sparkill Creek?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 36 ft wide.

Who owns Oak Tree Road over Sparkill Creek?

It is owned by the Town or Township Highway Agency.