US Bridges

SR 2001 Hillsdale over Conewago Creek

Fair

Dauphin County, Pennsylvania · 4 Mi. S.E. of Royalton · Structure no. 000000000014448

Built
1970
55 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
90 ft
1 main span
Daily traffic
344
2024 count
Owner
State
State Highway Agency

About this bridge

SR 2001 Hillsdale over Conewago Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 2001 Hillsdale over Conewago Creek in Dauphin County, Pennsylvania. It was built in 1970, so it is 55 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 344 vehicles a day, roughly 1% of them trucks, projected to reach 488 by 2032. The structure is 90 ft (27.4 m) long and 40 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR 2001 Hillsdale
CrossesConewago Creek
Location4 Mi. S.E. of Royalton
RouteState Highway 0
Coordinates40.14923, -76.68755
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.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating25 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span85 ft (25.9 m)
Deck width40 ft (12.2 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic344 (2024)
Projected traffic488 by 2032
Trucks1%
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 2001 Hillsdale over Conewago Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is SR 2001 Hillsdale over Conewago 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 August 2024.

How much traffic does SR 2001 Hillsdale over Conewago Creek carry?

About 344 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 2001 Hillsdale over Conewago Creek?

The structure is 90 ft (27.4 m) long with a longest span of 85 ft (25.9 m) and a deck 40 ft wide.

Who owns SR 2001 Hillsdale over Conewago Creek?

It is owned by the State Highway Agency.