US Bridges

SR 4009 over Wiconisco Creek

Fair

Dauphin County, Pennsylvania · Millersburg · Structure no. 000000000014589

Built
1960
65 years old, rebuilt 2012
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
139 ft
2 main spans
Daily traffic
1,977
2024 count
Owner
State
State Highway Agency

About this bridge

SR 4009 over Wiconisco Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 4009 over Wiconisco Creek in Dauphin County, Pennsylvania. It was built in 1960 and reconstructed in 2012, so it is 65 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 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 1,977 vehicles a day, roughly 3% of them trucks, projected to reach 4,241 by 2032. The structure is 139 ft (42.4 m) long and 44 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSR 4009
CrossesWiconisco Creek
LocationMillersburg
RouteState Highway 0
CountyDauphin County
StatePennsylvania
Coordinates40.53537, -76.94952
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
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; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length139 ft (42.4 m)
Longest span68 ft (20.7 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,977 (2024)
Projected traffic4,241 by 2032
Trucks3%
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

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 4009 over Wiconisco Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2012.

What condition is SR 4009 over Wiconisco 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 4009 over Wiconisco Creek carry?

About 1,977 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SR 4009 over Wiconisco Creek?

The structure is 139 ft (42.4 m) long with a longest span of 68 ft (20.7 m) and a deck 44 ft wide.

Who owns SR 4009 over Wiconisco Creek?

It is owned by the State Highway Agency.