US Bridges

SR 58 Harrisville over Over Swamp Run

Fair

Mercer County, Pennsylvania · Pine Township · Structure no. 000000000025682

Built
1955
70 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
35 ft
1 main span
Daily traffic
3,762
2024 count
Owner
State
State Highway Agency

About this bridge

SR 58 Harrisville over Over Swamp Run is a concrete tee beam carrying SR 58 Harrisville over Over Swamp Run in Mercer County, Pennsylvania. It was built in 1955, so it is 70 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 3,762 vehicles a day, roughly 13% of them trucks, projected to reach 5,226 by 2032. The structure is 35 ft (10.7 m) long and 37 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSR 58 Harrisville
CrossesOver Swamp Run
LocationPine Township
RouteState Highway 58
CountyMercer County
StatePennsylvania
Coordinates41.1428, -80.0532
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating44 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span33 ft (10.1 m)
Deck width37 ft (11.3 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,762 (2024)
Projected traffic5,226 by 2032
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 58 Harrisville over Over Swamp Run built?

It was built in 1955, making it 70 years old in 2025.

What condition is SR 58 Harrisville over Over Swamp Run 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 June 2024.

How much traffic does SR 58 Harrisville over Over Swamp Run carry?

About 3,762 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is SR 58 Harrisville over Over Swamp Run?

The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 37 ft wide.

Who owns SR 58 Harrisville over Over Swamp Run?

It is owned by the State Highway Agency.