US Bridges

RTE 78 over Tonawanda Creek

Good

Erie County, New York · 0.2 MI N JCT Rts 78 & 263 · Structure no. 000000001030340

Built
1998
27 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
146 ft
1 main span
Daily traffic
32,055
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 78 over Tonawanda Creek is a steel stringer/multi-beam or girder carrying RTE 78 over Tonawanda Creek in Erie County, New York. It was built in 1998, so it is 27 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 32,055 vehicles a day, roughly 4% of them trucks, projected to reach 32,205 by 2041. The structure is 146 ft (44.5 m) long and 80 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesRTE 78
CrossesTonawanda Creek
Location0.2 MI N JCT Rts 78 & 263
RouteState Highway 78
Coordinates43.08634, -78.69691
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating52 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length146 ft (44.5 m)
Longest span142 ft (43.2 m)
Deck width80 ft (24.4 m)
Roadway width78 ft (23.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,055 (2018)
Projected traffic32,205 by 2041
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$9 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 78 over Tonawanda Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is RTE 78 over Tonawanda Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does RTE 78 over Tonawanda Creek carry?

About 32,055 vehicles per day (2018 count), of which roughly 4% are trucks.

How long is RTE 78 over Tonawanda Creek?

The structure is 146 ft (44.5 m) long with a longest span of 142 ft (43.2 m) and a deck 80 ft wide.

Who owns RTE 78 over Tonawanda Creek?

It is owned by the State Highway Agency.