US Bridges

RTE 5 over Slippery Rock Crk

Good

Chautauqua County, New York · 1.6 Miles NW of Brocton · Structure no. 000000001001210

Built
1991
34 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
1 main span
Daily traffic
2,561
2019 count
Owner
State
State Highway Agency

About this bridge

RTE 5 over Slippery Rock Crk is a steel stringer/multi-beam or girder carrying RTE 5 over Slippery Rock Crk in Chautauqua 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 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 2,561 vehicles a day, roughly 13% of them trucks, projected to reach 2,586 by 2041. The structure is 59 ft (18 m) long and 42 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesRTE 5
CrossesSlippery Rock Crk
Location1.6 Miles NW of Brocton
RouteState Highway 5
CountyChautauqua County
StateNew York
Coordinates42.40656, -79.46128
Functional classRural Major 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating41 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length59 ft (18 m)
Longest span55 ft (16.7 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,561 (2019)
Projected traffic2,586 by 2041
Trucks13%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$2.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 5 over Slippery Rock Crk built?

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

What condition is RTE 5 over Slippery Rock 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 April 2023.

How much traffic does RTE 5 over Slippery Rock Crk carry?

About 2,561 vehicles per day (2019 count), of which roughly 13% are trucks.

How long is RTE 5 over Slippery Rock Crk?

The structure is 59 ft (18 m) long with a longest span of 55 ft (16.7 m) and a deck 42 ft wide.

Who owns RTE 5 over Slippery Rock Crk?

It is owned by the State Highway Agency.