US Bridges

Oakdale ST RD T585 over Wiconisco Creek

Fair

Dauphin County, Pennsylvania · .5S Loyalton/Wiconisco · Structure no. 000000000014710

Built
1973
52 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
89 ft
1 main span
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

Oakdale ST RD T585 over Wiconisco Creek is a prestressed concrete box beam or girders - multiple carrying Oakdale ST RD T585 over Wiconisco Creek in Dauphin County, Pennsylvania. It was built in 1973, so it is 52 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 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 50 vehicles a day, projected to reach 70 by 2041. The structure is 89 ft (27.1 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesOakdale ST RD T585
CrossesWiconisco Creek
Location.5S Loyalton/Wiconisco
RouteCity Street 0
CountyDauphin County
StatePennsylvania
Coordinates40.55993, -76.76056
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating69 US tons
Inventory rating24 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span87 ft (26.5 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic70 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Oakdale ST RD T585 over Wiconisco Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Oakdale ST RD T585 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 June 2023.

How much traffic does Oakdale ST RD T585 over Wiconisco Creek carry?

About 50 vehicles per day (2021 count).

How long is Oakdale ST RD T585 over Wiconisco Creek?

The structure is 89 ft (27.1 m) long with a longest span of 87 ft (26.5 m) and a deck 32 ft wide.

Who owns Oakdale ST RD T585 over Wiconisco Creek?

It is owned by the County Highway Agency.