US Bridges

US 209; SR 0209 over Little Wiconisco Creek

Fair

Dauphin County, Pennsylvania · Millersburg · Structure no. 000000000014303

Built
1910
115 years old, rebuilt 1955
Condition
Fair
inspected September 2024
Type
Arch - Deck
Concrete
Length
33 ft
1 main span
Daily traffic
3,834
2023 count
Owner
State
State Highway Agency

About this bridge

US 209; SR 0209 over Little Wiconisco Creek is a concrete arch - deck carrying US 209; SR 0209 over Little Wiconisco Creek in Dauphin County, Pennsylvania. It was built in 1910 and reconstructed in 1955, so it is 115 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 3,834 vehicles a day, roughly 5% of them trucks, projected to reach 5,006 by 2032. The structure is 33 ft (10.1 m) long and 41 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesUS 209; SR 0209
CrossesLittle Wiconisco Creek
LocationMillersburg
RouteU.S. Route 209
CountyDauphin County
StatePennsylvania
Coordinates40.5392, -76.94205
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
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 inspectionSeptember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width41 ft (12.4 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,834 (2023)
Projected traffic5,006 by 2032
Trucks5%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$265,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 209; SR 0209 over Little Wiconisco Creek built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1955.

What condition is US 209; SR 0209 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 September 2024.

How much traffic does US 209; SR 0209 over Little Wiconisco Creek carry?

About 3,834 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 209; SR 0209 over Little Wiconisco Creek?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 41 ft wide.

Who owns US 209; SR 0209 over Little Wiconisco Creek?

It is owned by the State Highway Agency.