US Bridges

US 11&15; SR 0011 over T508; Little Juniata CR

Fair

Perry County, Pennsylvania · Duncannon · Structure no. 000000000029434

Built
1959
66 years old, rebuilt 1995
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
478 ft
6 main spans
Daily traffic
7,193
2024 count
Owner
State
State Highway Agency

About this bridge

US 11&15; SR 0011 over T508; Little Juniata CR is a prestressed concrete box beam or girders - multiple carrying US 11&15; SR 0011 over T508; Little Juniata CR in Perry County, Pennsylvania. It was built in 1959 and reconstructed in 1995, so it is 66 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 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 7,193 vehicles a day, roughly 12% of them trucks, projected to reach 8,862 by 2032. The structure is 478 ft (145.7 m) long and 64 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS 11&15; SR 0011
CrossesT508; Little Juniata CR
LocationDuncannon
RouteU.S. Route 11
Coordinates40.39443, -77.03563
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.1 US tons
Inventory rating2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 25 or greater
Structure length478 ft (145.7 m)
Longest span80 ft (24.4 m)
Deck width64 ft (19.6 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,193 (2024)
Projected traffic8,862 by 2032
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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$3.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was US 11&15; SR 0011 over T508; Little Juniata CR built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1995.

What condition is US 11&15; SR 0011 over T508; Little Juniata CR 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 May 2023.

How much traffic does US 11&15; SR 0011 over T508; Little Juniata CR carry?

About 7,193 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is US 11&15; SR 0011 over T508; Little Juniata CR?

The structure is 478 ft (145.7 m) long with a longest span of 80 ft (24.4 m) and a deck 64 ft wide.

Who owns US 11&15; SR 0011 over T508; Little Juniata CR?

It is owned by the State Highway Agency.