US Bridges

Mill Road over Cazenovia Creek

Poor

Erie County, New York · 2.5 MI W JCT SH78 & US20 · Structure no. 000000002260400

Built
1930
95 years old, rebuilt 1977
Condition
Poor
inspected October 2024
Type
Arch - Deck
Concrete
Length
120 ft
2 main spans
Daily traffic
3,052
2021 count
Owner
County
County Highway Agency

About this bridge

Mill Road over Cazenovia Creek is a concrete arch - deck carrying Mill Road over Cazenovia Creek in Erie County, New York. It was built in 1930 and reconstructed in 1977, so it is 95 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 3,052 vehicles a day, roughly 1% of them trucks, projected to reach 4,273 by 2041. The structure is 120 ft (36.6 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesMill Road
CrossesCazenovia Creek
Location2.5 MI W JCT SH78 & US20
Coordinates42.82949, -78.74412
Functional classUrban Local

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
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.8 US tons
Inventory rating24.7 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length120 ft (36.6 m)
Longest span58 ft (17.6 m)
Deck width35 ft (10.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,052 (2021)
Projected traffic4,273 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$4.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Road over Cazenovia Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1977.

What condition is Mill Road over Cazenovia 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 Mill Road over Cazenovia Creek carry?

About 3,052 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Mill Road over Cazenovia Creek?

The structure is 120 ft (36.6 m) long with a longest span of 58 ft (17.6 m) and a deck 35 ft wide.

Who owns Mill Road over Cazenovia Creek?

It is owned by the County Highway Agency.