US Bridges

RTE 33 over Tonawanda Creek

Poor

Genesee County, New York · JCT RTE 98 · Structure no. 000000001022969

Built
1952
73 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
154 ft
3 main spans
Daily traffic
10,246
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 33 over Tonawanda Creek is a steel stringer/multi-beam or girder carrying RTE 33 over Tonawanda Creek in Genesee County, New York. It was built in 1952, so it is 73 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 10,246 vehicles a day, roughly 10% of them trucks, projected to reach 12,446 by 2041. The structure is 154 ft (46.9 m) long and 72 ft wide. If it were closed, the detour would be 20.5 mi (33 km).

CarriesRTE 33
CrossesTonawanda Creek
LocationJCT RTE 98
RouteCity Street 33
Coordinates42.99947, -78.19237
Functional classUrban Minor Arterial

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.
Superstructure4 PoorAdvanced section loss, deterioration, 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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53 US tons
Inventory rating31 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length154 ft (46.9 m)
Longest span69 ft (21 m)
Deck width72 ft (22 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,246 (2021)
Projected traffic12,446 by 2041
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed20.5 mi (33 km)
TollOn a free road
National Highway SystemYes

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$4.9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 33 over Tonawanda Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is RTE 33 over Tonawanda Creek 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 November 2024.

How much traffic does RTE 33 over Tonawanda Creek carry?

About 10,246 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is RTE 33 over Tonawanda Creek?

The structure is 154 ft (46.9 m) long with a longest span of 69 ft (21 m) and a deck 72 ft wide.

Who owns RTE 33 over Tonawanda Creek?

It is owned by the State Highway Agency.