US Bridges

Shippensburg Road over Mud Run

Fair

York County, Pennsylvania · 1.3 SW Kralltown/Mud Run · Structure no. 000000000038235

Built
1966
59 years old
Condition
Fair
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
56
2023 count
Owner
County
County Highway Agency

About this bridge

Shippensburg Road over Mud Run is a prestressed concrete box beam or girders - multiple carrying Shippensburg Road over Mud Run in York County, Pennsylvania. It was built in 1966, so it is 59 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 56 vehicles a day, roughly 10% of them trucks, projected to reach 91 by 2032. The structure is 44 ft (13.4 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesShippensburg Road
CrossesMud Run
Location1.3 SW Kralltown/Mud Run
RouteCity Street 0
Coordinates40.00746, -76.99892
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56 US tons
Inventory rating22 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (2023)
Projected traffic91 by 2032
Trucks10%
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 Shippensburg Road over Mud Run built?

It was built in 1966, making it 59 years old in 2025.

What condition is Shippensburg Road over Mud Run 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 March 2023.

How much traffic does Shippensburg Road over Mud Run carry?

About 56 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Shippensburg Road over Mud Run?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns Shippensburg Road over Mud Run?

It is owned by the County Highway Agency.