US Bridges

Hillcroft Dr. over Eighteen Mile Crk

Good

Erie County, New York · 0.9 Mi. N. of Boston · Structure no. 000000003327840

Built
2020
5 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
101 ft
1 main span
Daily traffic
373
2021 count
Owner
County
County Highway Agency

About this bridge

Hillcroft Dr. over Eighteen Mile Crk is a steel stringer/multi-beam or girder carrying Hillcroft Dr. over Eighteen Mile Crk in Erie County, New York. It was built in 2020, so it is 5 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 373 vehicles a day, roughly 5% of them trucks, projected to reach 522 by 2041. The structure is 101 ft (30.8 m) long and 29 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesHillcroft Dr.
CrossesEighteen Mile Crk
Location0.9 Mi. N. of Boston
RouteCounty Highway 0
CountyErie County
StateNew York
Coordinates42.64451, -78.744
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106 US tons
Inventory rating64 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length101 ft (30.8 m)
Longest span99 ft (30.2 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic373 (2021)
Projected traffic522 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hillcroft Dr. over Eighteen Mile Crk built?

It was built in 2020, making it 5 years old in 2025.

What condition is Hillcroft Dr. over Eighteen Mile Crk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does Hillcroft Dr. over Eighteen Mile Crk carry?

About 373 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Hillcroft Dr. over Eighteen Mile Crk?

The structure is 101 ft (30.8 m) long with a longest span of 99 ft (30.2 m) and a deck 29 ft wide.

Who owns Hillcroft Dr. over Eighteen Mile Crk?

It is owned by the County Highway Agency.