US Bridges

Back Hollow RD over Shaeffer Run

Fair

Perry County, Pennsylvania · 2.5 SE N Grmntwn/Shaeffer · Structure no. 000000000029745

Built
1998
27 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Back Hollow RD over Shaeffer Run is a steel stringer/multi-beam or girder carrying Back Hollow RD over Shaeffer Run in Perry County, Pennsylvania. It was built in 1998, so it is 27 years old, younger 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 6 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 70 by 2041. The structure is 40 ft (12.2 m) long and 18 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesBack Hollow RD
CrossesShaeffer Run
Location2.5 SE N Grmntwn/Shaeffer
RouteCity Street 0
CountyPerry County
StatePennsylvania
Coordinates40.27789, -77.53954
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width18 ft (5.5 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic70 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Back Hollow RD over Shaeffer Run built?

It was built in 1998, making it 27 years old in 2025.

What condition is Back Hollow RD over Shaeffer 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 October 2023.

How much traffic does Back Hollow RD over Shaeffer Run carry?

About 50 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Back Hollow RD over Shaeffer Run?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 18 ft wide.

Who owns Back Hollow RD over Shaeffer Run?

It is owned by the Town or Township Highway Agency.