US Bridges

RTE 16 over Allegheny River

Fair

Cattaraugus County, New York · JCT RTE 16 + Allegheny R · Structure no. 000000001011640

Built
1955
70 years old, rebuilt 1995
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
532 ft
5 main spans
Daily traffic
5,115
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 16 over Allegheny River is a steel continuous stringer/multi-beam or girder carrying RTE 16 over Allegheny River in Cattaraugus County, New York. It was built in 1955 and reconstructed in 1995, so it is 70 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 5,115 vehicles a day, roughly 4% of them trucks, projected to reach 5,401 by 2041. The structure is 532 ft (162.2 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesRTE 16
CrossesAllegheny River
LocationJCT RTE 16 + Allegheny R
RouteState Highway 16
CountyCattaraugus County
StateNew York
Coordinates42.06999, -78.42998
Functional classUrban Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length532 ft (162.2 m)
Longest span125 ft (38.1 m)
Deck width43 ft (13.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,115 (2020)
Projected traffic5,401 by 2041
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway 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$14 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 16 over Allegheny River built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1995.

What condition is RTE 16 over Allegheny 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 September 2024.

How much traffic does RTE 16 over Allegheny River carry?

About 5,115 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is RTE 16 over Allegheny River?

The structure is 532 ft (162.2 m) long with a longest span of 125 ft (38.1 m) and a deck 43 ft wide.

Who owns RTE 16 over Allegheny River?

It is owned by the State Highway Agency.