US Bridges

Lebo RD (T-446) over Powell Creek

Fair

Dauphin County, Pennsylvania · .4S Enterline/Powell Crk · Structure no. 000000000014715

Built
1999
26 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
50
2021 count
Owner
County
County Highway Agency

About this bridge

Lebo RD (T-446) over Powell Creek is a prestressed concrete box beam or girders - multiple carrying Lebo RD (T-446) over Powell Creek in Dauphin County, Pennsylvania. It was built in 1999, so it is 26 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 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 50 vehicles a day, projected to reach 75 by 2041. The structure is 48 ft (14.6 m) long and 38 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesLebo RD (T-446)
CrossesPowell Creek
Location.4S Enterline/Powell Crk
RouteCity Street 0
CountyDauphin County
StatePennsylvania
Coordinates40.45687, -76.83783
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.
Superstructure7 GoodSome minor problems.
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
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 rating64 US tons
Inventory rating37 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckCorrugated steel
Main spans1
Design loadH 20
Structure length48 ft (14.6 m)
Longest span46 ft (14 m)
Deck width38 ft (11.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic75 by 2041
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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$16,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Lebo RD (T-446) over Powell Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Lebo RD (T-446) over Powell 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 July 2023.

How much traffic does Lebo RD (T-446) over Powell Creek carry?

About 50 vehicles per day (2021 count).

How long is Lebo RD (T-446) over Powell Creek?

The structure is 48 ft (14.6 m) long with a longest span of 46 ft (14 m) and a deck 38 ft wide.

Who owns Lebo RD (T-446) over Powell Creek?

It is owned by the County Highway Agency.