US Bridges

SR 4002 over Shippens Run

Fair

Dauphin County, Pennsylvania · .5 Mi. N.E. Millersburg · Structure no. 000000000014571

Built
1982
43 years old
Condition
Fair
inspected August 2024
Type
Frame
Concrete
Length
24 ft
1 main span
Daily traffic
147
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4002 over Shippens Run is a concrete frame carrying SR 4002 over Shippens Run in Dauphin County, Pennsylvania. It was built in 1982, so it is 43 years old, younger 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 147 vehicles a day, roughly 2% of them trucks, projected to reach 336 by 2032. The structure is 24 ft (7.3 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSR 4002
CrossesShippens Run
Location.5 Mi. N.E. Millersburg
RouteState Highway 0
CountyDauphin County
StatePennsylvania
Coordinates40.54658, -76.96019
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.
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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic147 (2024)
Projected traffic336 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4002 over Shippens Run built?

It was built in 1982, making it 43 years old in 2025.

What condition is SR 4002 over Shippens 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 August 2024.

How much traffic does SR 4002 over Shippens Run carry?

About 147 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is SR 4002 over Shippens Run?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 31 ft wide.

Who owns SR 4002 over Shippens Run?

It is owned by the State Highway Agency.