US Bridges

SR4014 over N Br Slippery Rock CR

PoorPosted for load

Butler County, Pennsylvania · Harrisville · Structure no. 000000000008142

Built
1912
113 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
101
2024 count
Owner
State
State Highway Agency

About this bridge

SR4014 over N Br Slippery Rock CR is a steel stringer/multi-beam or girder carrying SR4014 over N Br Slippery Rock CR in Butler County, Pennsylvania. It was built in 1912, so it is 113 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 101 vehicles a day, roughly 18% of them trucks, projected to reach 119 by 2032. The structure is 41 ft (12.5 m) long and 17 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR4014
CrossesN Br Slippery Rock CR
LocationHarrisville
RouteState Highway 0
Coordinates41.14586, -79.95207
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22 US tons
Inventory rating13 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length41 ft (12.5 m)
Longest span35 ft (10.7 m)
Deck width17 ft (5.2 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic101 (2024)
Projected traffic119 by 2032
Trucks18%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$349,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR4014 over N Br Slippery Rock CR built?

It was built in 1912, making it 113 years old in 2025.

What condition is SR4014 over N Br Slippery Rock CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does SR4014 over N Br Slippery Rock CR carry?

About 101 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is SR4014 over N Br Slippery Rock CR?

The structure is 41 ft (12.5 m) long with a longest span of 35 ft (10.7 m) and a deck 17 ft wide.

Who owns SR4014 over N Br Slippery Rock CR?

It is owned by the State Highway Agency.