US Bridges

Pa Route 324 over Conestoga River

Fair

Lancaster County, Pennsylvania · Lancaster/Pequea Township · Structure no. 000000000021225

Built
1930
95 years old
Condition
Fair
inspected July 2024
Type
Arch - Deck
Concrete
Length
310 ft
3 main spans
Daily traffic
4,615
2024 count
Owner
State
State Highway Agency

About this bridge

Pa Route 324 over Conestoga River is a concrete arch - deck carrying Pa Route 324 over Conestoga River in Lancaster 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 4,615 vehicles a day, roughly 2% of them trucks, projected to reach 5,849 by 2032. The structure is 310 ft (94.5 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesPa Route 324
CrossesConestoga River
LocationLancaster/Pequea Township
RouteState Highway 324
Coordinates39.9969, -76.31116
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
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 inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length310 ft (94.5 m)
Longest span98 ft (29.9 m)
Deck width36 ft (10.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,615 (2024)
Projected traffic5,849 by 2032
Trucks2%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Route 324 over Conestoga River built?

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

What condition is Pa Route 324 over Conestoga River 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 July 2024.

How much traffic does Pa Route 324 over Conestoga River carry?

About 4,615 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Pa Route 324 over Conestoga River?

The structure is 310 ft (94.5 m) long with a longest span of 98 ft (29.9 m) and a deck 36 ft wide.

Who owns Pa Route 324 over Conestoga River?

It is owned by the State Highway Agency.