US Bridges

SR 103-PA 103 over Juniata River

Fair

Mifflin County, Pennsylvania · Lewistown Borough · Structure no. 000000000026411

Built
1989
36 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
762 ft
5 main spans
Daily traffic
3,970
2023 count
Owner
State
State Highway Agency

About this bridge

SR 103-PA 103 over Juniata River is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 103-PA 103 over Juniata River in Mifflin County, Pennsylvania. It was built in 1989, so it is 36 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 3,970 vehicles a day, roughly 5% of them trucks, projected to reach 5,523 by 2043. The structure is 762 ft (232.3 m) long and 37 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

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CarriesSR 103-PA 103
CrossesJuniata River
LocationLewistown Borough
RouteState Highway 103
CountyMifflin County
StatePennsylvania
Coordinates40.59403, -77.57831
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 25 or greater
Structure length762 ft (232.3 m)
Longest span153 ft (46.6 m)
Deck width37 ft (11.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,970 (2023)
Projected traffic5,523 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed24.2 mi (39 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 103-PA 103 over Juniata River built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR 103-PA 103 over Juniata River 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 October 2023.

How much traffic does SR 103-PA 103 over Juniata River carry?

About 3,970 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SR 103-PA 103 over Juniata River?

The structure is 762 ft (232.3 m) long with a longest span of 153 ft (46.6 m) and a deck 37 ft wide.

Who owns SR 103-PA 103 over Juniata River?

It is owned by the State Highway Agency.