US Bridges

T-572 Mill Road over Conococheague Crk. W.Br.

Fair

Franklin County, Pennsylvania · 0.27 Mi. NW of SR 4006 · Structure no. 000000000017697

Built
1964
61 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
50
2009 count
Owner
County
County Highway Agency

About this bridge

T-572 Mill Road over Conococheague Crk. W.Br. is a prestressed concrete box beam or girders - multiple carrying T-572 Mill Road over Conococheague Crk. W.Br. in Franklin County, Pennsylvania. It was built in 1964, so it is 61 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 50 vehicles a day, projected to reach 70 by 2029. The structure is 46 ft (14 m) long and 19 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesT-572 Mill Road
CrossesConococheague Crk. W.Br.
Location0.27 Mi. NW of SR 4006
RouteCity Street 0
CountyFranklin County
StatePennsylvania
Coordinates40.16247, -77.69887
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating35.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span44 ft (13.4 m)
Deck width19 ft (5.7 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2009)
Projected traffic70 by 2029
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a toll 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 T-572 Mill Road over Conococheague Crk. W.Br. built?

It was built in 1964, making it 61 years old in 2025.

What condition is T-572 Mill Road over Conococheague Crk. 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 October 2023.

How much traffic does T-572 Mill Road over Conococheague Crk. W.Br. carry?

About 50 vehicles per day (2009 count).

How long is T-572 Mill Road over Conococheague Crk. W.Br.?

The structure is 46 ft (14 m) long with a longest span of 44 ft (13.4 m) and a deck 19 ft wide.

Who owns T-572 Mill Road over Conococheague Crk. W.Br.?

It is owned by the County Highway Agency.