US Bridges

South 86th Street over Little Niag River

Fair

Niagara County, New York · 1.4 MI E Int N21 I190 · Structure no. 000000002260880

Built
1982
43 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
122 ft
1 main span
Daily traffic
3,370
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

South 86th Street over Little Niag River is a steel stringer/multi-beam or girder carrying South 86th Street over Little Niag River in Niagara County, New York. It was built in 1982, so it is 43 years old, younger 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 3,370 vehicles a day, roughly 4% of them trucks, projected to reach 4,169 by 2041. The structure is 122 ft (37.2 m) long and 42 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSouth 86th Street
CrossesLittle Niag River
Location1.4 MI E Int N21 I190
RouteCity Street 0
Coordinates43.07476, -78.96404
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length122 ft (37.2 m)
Longest span120 ft (36.5 m)
Deck width42 ft (12.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,370 (2020)
Projected traffic4,169 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4 million (2024 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was South 86th Street over Little Niag River built?

It was built in 1982, making it 43 years old in 2025.

What condition is South 86th Street over Little Niag River 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 South 86th Street over Little Niag River carry?

About 3,370 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is South 86th Street over Little Niag River?

The structure is 122 ft (37.2 m) long with a longest span of 120 ft (36.5 m) and a deck 42 ft wide.

Who owns South 86th Street over Little Niag River?

It is owned by the City or Municipal Highway Agency.