US Bridges

SR 4009 over Little Wiconisco Creek

Fair

Dauphin County, Pennsylvania · Millersburg · Structure no. 000000000014590

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

About this bridge

SR 4009 over Little Wiconisco Creek is a prestressed concrete stringer/multi-beam or girder carrying SR 4009 over Little 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 73 ft (22.3 m) long and 44 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesSR 4009
CrossesLittle Wiconisco Creek
LocationMillersburg
RouteState Highway 0
CountyDauphin County
StatePennsylvania
Coordinates40.53581, -76.94913
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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 geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span69 ft (21 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 closed19.9 mi (32 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$971,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 4009 over Little 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 Little 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 Little Wiconisco Creek carry?

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

How long is SR 4009 over Little Wiconisco Creek?

The structure is 73 ft (22.3 m) long with a longest span of 69 ft (21 m) and a deck 44 ft wide.

Who owns SR 4009 over Little Wiconisco Creek?

It is owned by the State Highway Agency.