US Bridges

RTE 957A over Interplant Road

Fair

Niagara County, New York · 1.0 MI S 957A Access 190I · Structure no. 000000001068249

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

About this bridge

RTE 957A over Interplant Road is a steel stringer/multi-beam or girder carrying RTE 957A over Interplant Road 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 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 2,162 vehicles a day, roughly 1% of them trucks, projected to reach 2,505 by 2041. The structure is 101 ft (30.8 m) long and 72 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRTE 957A
CrossesInterplant Road
Location1.0 MI S 957A Access 190I
RouteState Highway 957A
CountyNiagara County
StateNew York
Coordinates43.13411, -79.04458
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating70 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length101 ft (30.8 m)
Longest span97 ft (29.5 m)
Deck width72 ft (21.9 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,162 (2021)
Projected traffic2,505 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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$4.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was RTE 957A over Interplant Road built?

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

What condition is RTE 957A over Interplant Road 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 September 2024.

How much traffic does RTE 957A over Interplant Road carry?

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

How long is RTE 957A over Interplant Road?

The structure is 101 ft (30.8 m) long with a longest span of 97 ft (29.5 m) and a deck 72 ft wide.

Who owns RTE 957A over Interplant Road?

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