US Bridges

RTE 93 over Tonawanda Creek

Poor

Niagara County, New York · JCT Rt 93 + Tonawanda CR · Structure no. 000000001034750

Built
1960
65 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
169 ft
2 main spans
Daily traffic
2,052
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 93 over Tonawanda Creek is a steel stringer/multi-beam or girder carrying RTE 93 over Tonawanda Creek in Niagara County, New York. It was built in 1960, so it is 65 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 2,052 vehicles a day, roughly 12% of them trucks, projected to reach 2,072 by 2041. The structure is 169 ft (51.5 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesRTE 93
CrossesTonawanda Creek
LocationJCT Rt 93 + Tonawanda CR
RouteState Highway 93
Coordinates43.08964, -78.51855
Functional classRural Major Collector

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43 US tons
Inventory rating15 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length169 ft (51.5 m)
Longest span81 ft (24.6 m)
Deck width34 ft (10.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,052 (2019)
Projected traffic2,072 by 2041
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$3.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 93 over Tonawanda Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is RTE 93 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 October 2024.

How much traffic does RTE 93 over Tonawanda Creek carry?

About 2,052 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is RTE 93 over Tonawanda Creek?

The structure is 169 ft (51.5 m) long with a longest span of 81 ft (24.6 m) and a deck 34 ft wide.

Who owns RTE 93 over Tonawanda Creek?

It is owned by the State Highway Agency.