US Bridges

Stone Road over Eighteen Mile Crk

Good

Niagara County, New York · 5 MI NW of Lockport · Structure no. 000000003329580

Built
2007
18 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
3,723
2021 count
Owner
County
County Highway Agency

About this bridge

Stone Road over Eighteen Mile Crk is a steel stringer/multi-beam or girder carrying Stone Road over Eighteen Mile Crk in Niagara County, New York. It was built in 2007, so it is 18 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,723 vehicles a day, roughly 10% of them trucks, projected to reach 4,606 by 2041. The structure is 70 ft (21.3 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesStone Road
CrossesEighteen Mile Crk
Location5 MI NW of Lockport
RouteCounty Highway 0
Coordinates43.19394, -78.70927
Functional classUrban Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length70 ft (21.3 m)
Longest span69 ft (21 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,723 (2021)
Projected traffic4,606 by 2041
Trucks10%
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$3.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stone Road over Eighteen Mile Crk built?

It was built in 2007, making it 18 years old in 2025.

What condition is Stone Road 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 May 2024.

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

About 3,723 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is Stone Road over Eighteen Mile Crk?

The structure is 70 ft (21.3 m) long with a longest span of 69 ft (21 m) and a deck 43 ft wide.

Who owns Stone Road over Eighteen Mile Crk?

It is owned by the County Highway Agency.