US Bridges

Slayton Settmt RD over Eighteen Mile Crk

Good

Niagara County, New York · 1 Mile NE of Gasport · Structure no. 000000003329570

Built
1966
59 years old, rebuilt 2021
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
36 ft
1 main span
Daily traffic
1,556
2020 count
Owner
County
County Highway Agency

About this bridge

Slayton Settmt RD over Eighteen Mile Crk is a concrete culvert carrying Slayton Settmt RD over Eighteen Mile Crk in Niagara County, New York. It was built in 1966 and reconstructed in 2021, so it is 59 years old, older 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 1,556 vehicles a day, roughly 4% of them trucks, projected to reach 2,178 by 2040. The structure is 36 ft (11 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSlayton Settmt RD
CrossesEighteen Mile Crk
Location1 Mile NE of Gasport
RouteCounty Highway 0
Coordinates43.20832, -78.56567
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating86.8 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length36 ft (11 m)
Longest span28 ft (8.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,556 (2020)
Projected traffic2,178 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$387,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Slayton Settmt RD over Eighteen Mile Crk built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2021.

What condition is Slayton Settmt RD 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 June 2023.

How much traffic does Slayton Settmt RD over Eighteen Mile Crk carry?

About 1,556 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Slayton Settmt RD over Eighteen Mile Crk?

The structure is 36 ft (11 m) long with a longest span of 28 ft (8.5 m).

Who owns Slayton Settmt RD over Eighteen Mile Crk?

It is owned by the County Highway Agency.