US Bridges

Koser Road over Bachman Run Trib

FairPosted for load

Lancaster County, Pennsylvania · 2000 Ft East of SR 4011 · Structure no. 000000000021817

Built
1979
46 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
1,655
2012 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Koser Road over Bachman Run Trib is a concrete culvert carrying Koser Road over Bachman Run Trib in Lancaster County, Pennsylvania. It was built in 1979, so it is 46 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. Its operating status is: posted for load restriction.

It carries about 1,655 vehicles a day, roughly 1% of them trucks, projected to reach 2,170 by 2032. The structure is 23 ft (7 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesKoser Road
CrossesBachman Run Trib
Location2000 Ft East of SR 4011
RouteCity Street 0
CountyLancaster County
StatePennsylvania
Coordinates40.11078, -76.32799
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating49.1 US tons
Inventory rating29 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,655 (2012)
Projected traffic2,170 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Koser Road over Bachman Run Trib built?

It was built in 1979, making it 46 years old in 2025.

What condition is Koser Road over Bachman Run Trib 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 December 2023.

How much traffic does Koser Road over Bachman Run Trib carry?

About 1,655 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Koser Road over Bachman Run Trib?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 32 ft wide.

Who owns Koser Road over Bachman Run Trib?

It is owned by the Town or Township Highway Agency.