US Bridges

State Park Road over St. Helena Creek

Fair

Wyoming County, New York · At Letchworth State Park · Structure no. 000000005035820

Built
1932
93 years old
Condition
Fair
inspected October 2024
Type
Arch - Deck
Concrete
Length
117 ft
1 main span
Daily traffic
513
2020 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

State Park Road over St. Helena Creek is a concrete arch - deck carrying State Park Road over St. Helena Creek in Wyoming County, New York. It was built in 1932, so it is 93 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 5 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 117 ft (35.7 m) long and 33 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesState Park Road
CrossesSt. Helena Creek
LocationAt Letchworth State Park
RouteState Lands Road 0
Coordinates42.62031, -77.99734
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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 alignment8: Equal to present desirable criteria
Operating rating84.8 US tons
Inventory rating27.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length117 ft (35.7 m)
Longest span110 ft (33.5 m)
Deck width33 ft (10.1 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 closed2.5 mi (4 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 statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was State Park Road over St. Helena Creek built?

It was built in 1932, making it 93 years old in 2025.

What condition is State Park Road over St. Helena 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 2024.

How much traffic does State Park Road over St. Helena Creek carry?

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

How long is State Park Road over St. Helena Creek?

The structure is 117 ft (35.7 m) long with a longest span of 110 ft (33.5 m) and a deck 33 ft wide.

Who owns State Park Road over St. Helena Creek?

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