US Bridges

SR3021 over Harpers Run

Fair

Indiana County, Pennsylvania · Iselin NO.1 · Structure no. 000000000019340

Built
1930
95 years old
Condition
Fair
inspected March 2024
Type
Arch - Deck
Concrete
Length
23 ft
1 main span
Daily traffic
793
2023 count
Owner
State
State Highway Agency

About this bridge

SR3021 over Harpers Run is a concrete arch - deck carrying SR3021 over Harpers Run in Indiana County, Pennsylvania. It was built in 1930, so it is 95 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 793 vehicles a day, roughly 7% of them trucks, projected to reach 1,645 by 2032. The structure is 23 ft (7 m) long and 42 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesSR3021
CrossesHarpers Run
LocationIselin NO.1
RouteState Highway 0
CountyIndiana County
StatePennsylvania
Coordinates40.54364, -79.38236
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating31 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic793 (2023)
Projected traffic1,645 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$184,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR3021 over Harpers Run built?

It was built in 1930, making it 95 years old in 2025.

What condition is SR3021 over Harpers 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 March 2024.

How much traffic does SR3021 over Harpers Run carry?

About 793 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is SR3021 over Harpers Run?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 42 ft wide.

Who owns SR3021 over Harpers Run?

It is owned by the State Highway Agency.