US Bridges

Main Entrance Road over Conococheague Creek

Fair

Franklin County, Pennsylvania · Caledonia State Park · Structure no. 000000000045367

Built
2008
17 years old
Condition
Fair
inspected October 2023
Type
Arch - Deck
Concrete
Length
36 ft
1 main span
Daily traffic
375
2013 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

Main Entrance Road over Conococheague Creek is a concrete arch - deck carrying Main Entrance Road over Conococheague Creek in Franklin County, Pennsylvania. It was built in 2008, so it is 17 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 375 vehicles a day, roughly 1% of them trucks, projected to reach 450 by 2033. The structure is 36 ft (11 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesMain Entrance Road
CrossesConococheague Creek
LocationCaledonia State Park
RouteState Lands Road 0
CountyFranklin County
StatePennsylvania
Coordinates39.90975, -77.47844
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
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating75.9 US tons
Inventory rating54 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length36 ft (11 m)
Longest span36 ft (11 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2013)
Projected traffic450 by 2033
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation 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 Main Entrance Road over Conococheague Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Main Entrance Road over Conococheague 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 Main Entrance Road over Conococheague Creek carry?

About 375 vehicles per day (2013 count), of which roughly 1% are trucks.

How long is Main Entrance Road over Conococheague Creek?

The structure is 36 ft (11 m) long with a longest span of 36 ft (11 m) and a deck 29 ft wide.

Who owns Main Entrance Road over Conococheague Creek?

It is owned by the State Park, Forest, or Reservation Agency.