US Bridges

Pa 16; Buchanan TR over W.Br.Of Conococheaque CR

Good

Franklin County, Pennsylvania · 2 Mi.S.E. of Mercersburg · Structure no. 000000000017298

Built
1941
84 years old, rebuilt 2011
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
128 ft
2 main spans
Daily traffic
5,702
2024 count
Owner
State
State Highway Agency

About this bridge

Pa 16; Buchanan TR over W.Br.Of Conococheaque CR is a steel continuous stringer/multi-beam or girder carrying Pa 16; Buchanan TR over W.Br.Of Conococheaque CR in Franklin County, Pennsylvania. It was built in 1941 and reconstructed in 2011, so it is 84 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,702 vehicles a day, roughly 9% of them trucks, projected to reach 6,276 by 2032. The structure is 128 ft (39 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesPa 16; Buchanan TR
CrossesW.Br.Of Conococheaque CR
Location2 Mi.S.E. of Mercersburg
RouteState Highway 16
Coordinates39.80427, -77.87052
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56.8 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length128 ft (39 m)
Longest span63 ft (19.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,702 (2024)
Projected traffic6,276 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$747,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa 16; Buchanan TR over W.Br.Of Conococheaque CR built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 2011.

What condition is Pa 16; Buchanan TR over W.Br.Of Conococheaque CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Pa 16; Buchanan TR over W.Br.Of Conococheaque CR carry?

About 5,702 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Pa 16; Buchanan TR over W.Br.Of Conococheaque CR?

The structure is 128 ft (39 m) long with a longest span of 63 ft (19.2 m) and a deck 43 ft wide.

Who owns Pa 16; Buchanan TR over W.Br.Of Conococheaque CR?

It is owned by the State Highway Agency.