US Bridges

On Tsr 780 over SR 522 Juniata R Private

Fair

Mifflin County, Pennsylvania · Kistler · Structure no. 000000000026564

Built
1971
54 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
508 ft
5 main spans
Daily traffic
2,691
2023 count
Owner
State
State Highway Agency

About this bridge

On Tsr 780 over SR 522 Juniata R Private is a steel continuous stringer/multi-beam or girder carrying On Tsr 780 over SR 522 Juniata R Private in Mifflin County, Pennsylvania. It was built in 1971, so it is 54 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 2,691 vehicles a day, roughly 5% of them trucks, projected to reach 1,217 by 2043. The structure is 508 ft (154.8 m) long and 41 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesOn Tsr 780
CrossesSR 522 Juniata R Private
LocationKistler
RouteState Highway 0
CountyMifflin County
StatePennsylvania
Coordinates40.38308, -77.87315
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating106 US tons
Inventory rating63.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length508 ft (154.8 m)
Longest span100 ft (30.5 m)
Deck width41 ft (12.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,691 (2023)
Projected traffic1,217 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed9.9 mi (16 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$767,000
NavigationNo navigation control on waterway

Frequently asked questions

When was On Tsr 780 over SR 522 Juniata R Private built?

It was built in 1971, making it 54 years old in 2025.

What condition is On Tsr 780 over SR 522 Juniata R Private 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 On Tsr 780 over SR 522 Juniata R Private carry?

About 2,691 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is On Tsr 780 over SR 522 Juniata R Private?

The structure is 508 ft (154.8 m) long with a longest span of 100 ft (30.5 m) and a deck 41 ft wide.

Who owns On Tsr 780 over SR 522 Juniata R Private?

It is owned by the State Highway Agency.