US Bridges

Sycamore Grove RD over Conococheague Creek

Fair

Franklin County, Pennsylvania · 4NE Chmbrsbrg/Conocochg. · Structure no. 000000000017652

Built
1991
34 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
107 ft
2 main spans
Daily traffic
400
1985 count
Owner
County
County Highway Agency

About this bridge

Sycamore Grove RD over Conococheague Creek is a prestressed concrete box beam or girders - multiple carrying Sycamore Grove RD over Conococheague Creek in Franklin County, Pennsylvania. It was built in 1991, so it is 34 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 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 400 vehicles a day, projected to reach 854 by 2030. The structure is 107 ft (32.6 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesSycamore Grove RD
CrossesConococheague Creek
Location4NE Chmbrsbrg/Conocochg.
RouteCity Street 0
CountyFranklin County
StatePennsylvania
Coordinates39.97917, -77.61582
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length107 ft (32.6 m)
Longest span53 ft (16.2 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (1985)
Projected traffic854 by 2030
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sycamore Grove RD over Conococheague Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Sycamore Grove RD 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 June 2024.

How much traffic does Sycamore Grove RD over Conococheague Creek carry?

About 400 vehicles per day (1985 count).

How long is Sycamore Grove RD over Conococheague Creek?

The structure is 107 ft (32.6 m) long with a longest span of 53 ft (16.2 m) and a deck 31 ft wide.

Who owns Sycamore Grove RD over Conococheague Creek?

It is owned by the County Highway Agency.