US Bridges

State Park Road over Quarry Brook

Fair

Wyoming County, New York · At Letchworth State Park · Structure no. 000000005035830

Built
1925
100 years old
Condition
Fair
inspected October 2024
Type
Arch - Deck
Concrete
Length
62 ft
1 main span
Daily traffic
513
2020 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

State Park Road over Quarry Brook is a concrete arch - deck carrying State Park Road over Quarry Brook in Wyoming County, New York. It was built in 1925, so it is 100 years old, older 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 513 vehicles a day, roughly 10% of them trucks, projected to reach 718 by 2040. The structure is 62 ft (18.9 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesState Park Road
CrossesQuarry Brook
LocationAt Letchworth State Park
RouteState Lands Road 0
CountyWyoming County
StateNew York
Coordinates42.62836, -77.99466
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating45.6 US tons
Inventory rating18.6 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span55 ft (16.7 m)
Deck width33 ft (10.2 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic513 (2020)
Projected traffic718 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
Historic statusEligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was State Park Road over Quarry Brook built?

It was built in 1925, making it 100 years old in 2025.

What condition is State Park Road over Quarry 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 October 2024.

How much traffic does State Park Road over Quarry Brook carry?

About 513 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is State Park Road over Quarry Brook?

The structure is 62 ft (18.9 m) long with a longest span of 55 ft (16.7 m) and a deck 33 ft wide.

Who owns State Park Road over Quarry Brook?

It is owned by the State Park, Forest, or Reservation Agency.