US Bridges

Anderson Road over Conococheague Creek W Br

PoorPosted for load

Franklin County, Pennsylvania · 0.85 MI NE of SR 416 · Structure no. 000000000017694

Built
1820
205 years old, rebuilt 1974
Condition
Poor
inspected April 2023
Type
Arch - Deck
Masonry
Length
83 ft
2 main spans
Daily traffic
150
2009 count
Owner
County
County Highway Agency

About this bridge

Anderson Road over Conococheague Creek W Br is a masonry arch - deck carrying Anderson Road over Conococheague Creek W Br in Franklin County, Pennsylvania. It was built in 1820 and reconstructed in 1974, so it is 205 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, projected to reach 190 by 2029. The structure is 83 ft (25.3 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesAnderson Road
CrossesConococheague Creek W Br
Location0.85 MI NE of SR 416
RouteCity Street 0
CountyFranklin County
StatePennsylvania
Coordinates39.78897, -77.85329
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
Superstructure4 PoorAdvanced section loss, deterioration, 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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating29 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length83 ft (25.3 m)
Longest span48 ft (14.6 m)
Deck width19 ft (5.7 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2009)
Projected traffic190 by 2029
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Anderson Road over Conococheague Creek W Br built?

It was built in 1820, making it 205 years old in 2025. It was reconstructed in 1974.

What condition is Anderson Road over Conococheague Creek W Br 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 April 2023.

How much traffic does Anderson Road over Conococheague Creek W Br carry?

About 150 vehicles per day (2009 count).

How long is Anderson Road over Conococheague Creek W Br?

The structure is 83 ft (25.3 m) long with a longest span of 48 ft (14.6 m) and a deck 19 ft wide.

Who owns Anderson Road over Conococheague Creek W Br?

It is owned by the County Highway Agency.