US Bridges

Cornertown RD over Conococheague Creek

Poor

Franklin County, Pennsylvania · 0.2 MI East of SR 11 · Structure no. 000000000017651

Built
1961
64 years old, rebuilt 1989
Condition
Poor
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
96 ft
2 main spans
Daily traffic
600
2009 count
Owner
County
County Highway Agency

About this bridge

Cornertown RD over Conococheague Creek is a prestressed concrete box beam or girders - multiple carrying Cornertown RD over Conococheague Creek in Franklin County, Pennsylvania. It was built in 1961 and reconstructed in 1989, so it is 64 years old, older 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.

It carries about 600 vehicles a day, projected to reach 800 by 2029. The structure is 96 ft (29.3 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCornertown RD
CrossesConococheague Creek
Location0.2 MI East of SR 11
RouteCity Street 0
Coordinates39.97012, -77.62994
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating58 US tons
Inventory rating22 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length96 ft (29.3 m)
Longest span47 ft (14.3 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2009)
Projected traffic800 by 2029
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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$75,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Cornertown RD over Conococheague Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 1989.

What condition is Cornertown RD over Conococheague Creek 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 October 2023.

How much traffic does Cornertown RD over Conococheague Creek carry?

About 600 vehicles per day (2009 count).

How long is Cornertown RD over Conococheague Creek?

The structure is 96 ft (29.3 m) long with a longest span of 47 ft (14.3 m) and a deck 21 ft wide.

Who owns Cornertown RD over Conococheague Creek?

It is owned by the County Highway Agency.