US Bridges

Tallow Hill RD over Conococheague Creek

Fair

Franklin County, Pennsylvania · 1 Mile SE of SR 995 · Structure no. 000000000017669

Built
1955
70 years old, rebuilt 1998
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
450
1989 count
Owner
County
County Highway Agency

About this bridge

Tallow Hill RD over Conococheague Creek is a prestressed concrete box beam or girders - multiple carrying Tallow Hill RD over Conococheague Creek in Franklin County, Pennsylvania. It was built in 1955 and reconstructed in 1998, so it is 70 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 450 vehicles a day, roughly 30% of them trucks, projected to reach 630 by 2009. The structure is 67 ft (20.4 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesTallow Hill RD
CrossesConococheague Creek
Location1 Mile SE of SR 995
RouteCity Street 0
CountyFranklin County
StatePennsylvania
Coordinates39.90267, -77.6941
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length67 ft (20.4 m)
Longest span65 ft (19.8 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (1989)
Projected traffic630 by 2009
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Tallow Hill RD over Conococheague Creek built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 1998.

What condition is Tallow Hill 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 November 2023.

How much traffic does Tallow Hill RD over Conococheague Creek carry?

About 450 vehicles per day (1989 count), of which roughly 30% are trucks.

How long is Tallow Hill RD over Conococheague Creek?

The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 31 ft wide.

Who owns Tallow Hill RD over Conococheague Creek?

It is owned by the County Highway Agency.