US Bridges

Carlisle Road over Conewago Creek

Fair

York County, Pennsylvania · 2 MI S.E. of Rossville · Structure no. 000000000037393

Built
1954
71 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
372 ft
4 main spans
Daily traffic
8,874
2024 count
Owner
State
State Highway Agency

About this bridge

Carlisle Road over Conewago Creek is a steel continuous stringer/multi-beam or girder carrying Carlisle Road over Conewago Creek in York County, Pennsylvania. It was built in 1954, so it is 71 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 8,874 vehicles a day, roughly 6% of them trucks, projected to reach 10,893 by 2032. The structure is 372 ft (113.4 m) long and 32 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesCarlisle Road
CrossesConewago Creek
Location2 MI S.E. of Rossville
RouteState Highway 74
CountyYork County
StatePennsylvania
Coordinates40.045, -76.8988
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 rating84 US tons
Inventory rating50 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length372 ft (113.4 m)
Longest span103 ft (31.4 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,874 (2024)
Projected traffic10,893 by 2032
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Carlisle Road over Conewago Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Carlisle Road over Conewago Creek 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 Carlisle Road over Conewago Creek carry?

About 8,874 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Carlisle Road over Conewago Creek?

The structure is 372 ft (113.4 m) long with a longest span of 103 ft (31.4 m) and a deck 32 ft wide.

Who owns Carlisle Road over Conewago Creek?

It is owned by the State Highway Agency.