US Bridges

Zoar Valley Road over Derby Brook

Fair

Erie County, New York · 2.6 MI S of Morton Cors · Structure no. 000000003328580

Built
1955
70 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
134
2020 count
Owner
County
County Highway Agency

About this bridge

Zoar Valley Road over Derby Brook is a concrete culvert carrying Zoar Valley Road over Derby Brook in Erie County, New York. It was built in 1955, so it is 70 years old, older 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 134 vehicles a day, roughly 8% of them trucks, projected to reach 188 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesZoar Valley Road
CrossesDerby Brook
Location2.6 MI S of Morton Cors
RouteCounty Highway 0
CountyErie County
StateNew York
Coordinates42.47477, -78.74974
Functional classRural Minor Collector

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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 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 evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating105.1 US tons
Inventory rating63.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic134 (2020)
Projected traffic188 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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$202,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Zoar Valley Road over Derby Brook built?

It was built in 1955, making it 70 years old in 2025.

What condition is Zoar Valley Road over Derby Brook 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 October 2024.

How much traffic does Zoar Valley Road over Derby Brook carry?

About 134 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is Zoar Valley Road over Derby Brook?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m).

Who owns Zoar Valley Road over Derby Brook?

It is owned by the County Highway Agency.