US Bridges

Harlansburg Road over Br. Slippery Rock Creek

Fair

Lawrence County, Pennsylvania · 200E.OF SR0019 · Structure no. 000000000022236

Built
1957
68 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
2,622
2024 count
Owner
State
State Highway Agency

About this bridge

Harlansburg Road over Br. Slippery Rock Creek is a concrete culvert carrying Harlansburg Road over Br. Slippery Rock Creek in Lawrence County, Pennsylvania. It was built in 1957, so it is 68 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 2,622 vehicles a day, roughly 8% of them trucks, projected to reach 3,246 by 2032. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 13 mi (21 km).

CarriesHarlansburg Road
CrossesBr. Slippery Rock Creek
Location200E.OF SR0019
RouteState Highway 108
Coordinates41.02444, -80.18666
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,622 (2024)
Projected traffic3,246 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$95,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Harlansburg Road over Br. Slippery Rock Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is Harlansburg Road over Br. Slippery Rock Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Harlansburg Road over Br. Slippery Rock Creek carry?

About 2,622 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Harlansburg Road over Br. Slippery Rock Creek?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m).

Who owns Harlansburg Road over Br. Slippery Rock Creek?

It is owned by the State Highway Agency.