US Bridges

Patchin Road over Eighteen Mile Crk

Fair

Erie County, New York · .4 Mile West of Patchin · Structure no. 000000003327610

Built
1991
34 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
524
2021 count
Owner
County
County Highway Agency

About this bridge

Patchin Road over Eighteen Mile Crk is a prestressed concrete box beam or girders - multiple carrying Patchin Road over Eighteen Mile Crk in Erie County, New York. It was built in 1991, so it is 34 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 524 vehicles a day, roughly 6% of them trucks, projected to reach 734 by 2041. The structure is 77 ft (23.5 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPatchin Road
CrossesEighteen Mile Crk
Location.4 Mile West of Patchin
Coordinates42.6579, -78.75501
Functional classUrban 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length77 ft (23.5 m)
Longest span75 ft (22.8 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic524 (2021)
Projected traffic734 by 2041
Trucks6%
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$1.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Patchin Road over Eighteen Mile Crk built?

It was built in 1991, making it 34 years old in 2025.

What condition is Patchin Road over Eighteen Mile 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 2024.

How much traffic does Patchin Road over Eighteen Mile Crk carry?

About 524 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Patchin Road over Eighteen Mile Crk?

The structure is 77 ft (23.5 m) long with a longest span of 75 ft (22.8 m) and a deck 31 ft wide.

Who owns Patchin Road over Eighteen Mile Crk?

It is owned by the County Highway Agency.