US Bridges

RTE 957A over Rock Cut

Poor

Niagara County, New York · .1 MI N JCT SH 61 & SH104 · Structure no. 000000001068259

Built
1963
62 years old
Condition
Poor
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
275 ft
5 main spans
Daily traffic
2,162
2021 count
Owner
State
Other State Agency

About this bridge

RTE 957A over Rock Cut is a steel stringer/multi-beam or girder carrying RTE 957A over Rock Cut in Niagara County, New York. It was built in 1963, so it is 62 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,162 vehicles a day, roughly 1% of them trucks, projected to reach 2,505 by 2041. The structure is 275 ft (83.8 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesRTE 957A
CrossesRock Cut
Location.1 MI N JCT SH 61 & SH104
RouteCity Street 957A
Coordinates43.13812, -79.04065
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating101 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length275 ft (83.8 m)
Longest span53 ft (16.1 m)
Deck width37 ft (11.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,162 (2021)
Projected traffic2,505 by 2041
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerOther State Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$6.8 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 957A over Rock Cut built?

It was built in 1963, making it 62 years old in 2025.

What condition is RTE 957A over Rock Cut in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does RTE 957A over Rock Cut carry?

About 2,162 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is RTE 957A over Rock Cut?

The structure is 275 ft (83.8 m) long with a longest span of 53 ft (16.1 m) and a deck 37 ft wide.

Who owns RTE 957A over Rock Cut?

It is owned by the Other State Agency and maintained by the State Highway Agency.