US Bridges

Garnes RD over W Br Conococheague Creek

Fair

Franklin County, Pennsylvania · 1.3 Miles NE of SR 416 · Structure no. 000000000017688

Built
1970
55 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
141 ft
2 main spans
Daily traffic
150
2009 count
Owner
County
County Highway Agency

About this bridge

Garnes RD over W Br Conococheague Creek is a prestressed concrete box beam or girders - multiple carrying Garnes RD over W Br Conococheague Creek in Franklin County, Pennsylvania. It was built in 1970, so it is 55 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 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 210 by 2029. The structure is 141 ft (43 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesGarnes RD
CrossesW Br Conococheague Creek
Location1.3 Miles NE of SR 416
RouteCity Street 0
Coordinates39.78882, -77.84187
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84 US tons
Inventory rating23 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length141 ft (43 m)
Longest span69 ft (21 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2009)
Projected traffic210 by 2029
Trucks5%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Garnes RD over W Br Conococheague Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Garnes RD over W Br 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 November 2023.

How much traffic does Garnes RD over W Br Conococheague Creek carry?

About 150 vehicles per day (2009 count), of which roughly 5% are trucks.

How long is Garnes RD over W Br Conococheague Creek?

The structure is 141 ft (43 m) long with a longest span of 69 ft (21 m) and a deck 32 ft wide.

Who owns Garnes RD over W Br Conococheague Creek?

It is owned by the County Highway Agency.