US Bridges

Aurora Street over Slate Bottom Crk

Fair

Erie County, New York · 1.3 MI NE JCT SH354 &SH78 · Structure no. 000000003327110

Built
1977
48 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
6,675
2020 count
Owner
County
County Highway Agency

About this bridge

Aurora Street over Slate Bottom Crk is a concrete culvert carrying Aurora Street over Slate Bottom Crk in Erie County, New York. It was built in 1977, so it is 48 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 6 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 6,675 vehicles a day, roughly 3% of them trucks, projected to reach 7,048 by 2041. The structure is 25 ft (7.6 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAurora Street
CrossesSlate Bottom Crk
Location1.3 MI NE JCT SH354 &SH78
RouteCounty Highway 0
Coordinates42.86356, -78.67618
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,675 (2020)
Projected traffic7,048 by 2041
Trucks3%
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

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$525,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Aurora Street over Slate Bottom Crk built?

It was built in 1977, making it 48 years old in 2025.

What condition is Aurora Street over Slate Bottom 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 July 2024.

How much traffic does Aurora Street over Slate Bottom Crk carry?

About 6,675 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Aurora Street over Slate Bottom Crk?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 43 ft wide.

Who owns Aurora Street over Slate Bottom Crk?

It is owned by the County Highway Agency.