US Bridges

Louser Rd. over Bachman Run

PoorPosted for load

Lebanon County, Pennsylvania · 6. S Annville/Bachman Run · Structure no. 000000000022880

Built
1973
52 years old
Condition
Poor
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
550
2013 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Louser Rd. over Bachman Run is a prestressed concrete box beam or girders - multiple carrying Louser Rd. over Bachman Run in Lebanon County, Pennsylvania. It was built in 1973, so it is 52 years old, younger 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 4 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 550 vehicles a day, roughly 5% of them trucks, projected to reach 700 by 2033. The structure is 39 ft (11.9 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesLouser Rd.
CrossesBachman Run
Location6. S Annville/Bachman Run
RouteCity Street 0
Coordinates40.31629, -76.51586
Functional classRural Local

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionMay 2023
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating14 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20 + Mod
Structure length39 ft (11.9 m)
Longest span37 ft (11.3 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2013)
Projected traffic700 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Louser Rd. over Bachman Run built?

It was built in 1973, making it 52 years old in 2025.

What condition is Louser Rd. over Bachman Run 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 May 2023.

How much traffic does Louser Rd. over Bachman Run carry?

About 550 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is Louser Rd. over Bachman Run?

The structure is 39 ft (11.9 m) long with a longest span of 37 ft (11.3 m) and a deck 32 ft wide.

Who owns Louser Rd. over Bachman Run?

It is owned by the Town or Township Highway Agency.