US Bridges

Hill Road over Conococheague Creek W.Br

Fair

Franklin County, Pennsylvania · 1.05 MI NE of SR75 · Structure no. 000000000017685

Built
1825
200 years old
Condition
Fair
inspected April 2023
Type
Arch - Deck
Masonry
Length
68 ft
2 main spans
Daily traffic
250
2009 count
Owner
County
County Highway Agency

About this bridge

Hill Road over Conococheague Creek W.Br is a masonry arch - deck carrying Hill Road over Conococheague Creek W.Br in Franklin County, Pennsylvania. It was built in 1825, so it is 200 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 250 vehicles a day, projected to reach 400 by 2029. The structure is 68 ft (20.7 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHill Road
CrossesConococheague Creek W.Br
Location1.05 MI NE of SR75
RouteCity Street 0
Coordinates40.11362, -77.77137
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
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 inspectionApril 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 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 rating36 US tons

Structure

Structure typeArch - Deck
MaterialMasonry
DeckNot applicable
Main spans2
Design loadUnknown
Structure length68 ft (20.7 m)
Longest span33 ft (10.1 m)
Deck width18 ft (5.5 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2009)
Projected traffic400 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$109,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Hill Road over Conococheague Creek W.Br built?

It was built in 1825, making it 200 years old in 2025.

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

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

About 250 vehicles per day (2009 count).

How long is Hill Road over Conococheague Creek W.Br?

The structure is 68 ft (20.7 m) long with a longest span of 33 ft (10.1 m) and a deck 18 ft wide.

Who owns Hill Road over Conococheague Creek W.Br?

It is owned by the County Highway Agency.