US Bridges

Peerless Street over Slippery Rock Creek

Good

Chautauqua County, New York · Portland · Structure no. 000000002271210

Built
2016
9 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
36 ft
1 main span
Daily traffic
252
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Peerless Street over Slippery Rock Creek is a concrete culvert carrying Peerless Street over Slippery Rock Creek in Chautauqua County, New York. It was built in 2016, so it is 9 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 252 vehicles a day, roughly 3% of them trucks, projected to reach 353 by 2040. The structure is 36 ft (11 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesPeerless Street
CrossesSlippery Rock Creek
LocationPortland
Coordinates42.40182, -79.44219
Functional classRural Local

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.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.1 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 span34 ft (10.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic252 (2020)
Projected traffic353 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$510,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Peerless Street over Slippery Rock Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Peerless Street over Slippery Rock Creek 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 September 2024.

How much traffic does Peerless Street over Slippery Rock Creek carry?

About 252 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is Peerless Street over Slippery Rock Creek?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m).

Who owns Peerless Street over Slippery Rock Creek?

It is owned by the Town or Township Highway Agency.