US Bridges

Mill Road over W B Cazenovia Crk

Fair

Erie County, New York · 3.8 MI SW of East Aurora · Structure no. 000000003327950

Built
1984
41 years old, rebuilt 2019
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
184 ft
2 main spans
Daily traffic
1,927
2020 count
Owner
County
County Highway Agency

About this bridge

Mill Road over W B Cazenovia Crk is a steel continuous stringer/multi-beam or girder carrying Mill Road over W B Cazenovia Crk in Erie County, New York. It was built in 1984 and reconstructed in 2019, so it is 41 years old, younger 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 1,927 vehicles a day, roughly 8% of them trucks, projected to reach 2,698 by 2040. The structure is 184 ft (56.1 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesMill Road
CrossesW B Cazenovia Crk
Location3.8 MI SW of East Aurora
RouteCounty Highway 0
CountyErie County
StateNew York
Coordinates42.72403, -78.66932
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length184 ft (56.1 m)
Longest span126 ft (38.4 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,927 (2020)
Projected traffic2,698 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$4 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mill Road over W B Cazenovia Crk built?

It was built in 1984, making it 41 years old in 2025. It was reconstructed in 2019.

What condition is Mill Road over W B Cazenovia Crk 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 May 2023.

How much traffic does Mill Road over W B Cazenovia Crk carry?

About 1,927 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Mill Road over W B Cazenovia Crk?

The structure is 184 ft (56.1 m) long with a longest span of 126 ft (38.4 m) and a deck 32 ft wide.

Who owns Mill Road over W B Cazenovia Crk?

It is owned by the County Highway Agency.