US Bridges

SR 522-US 522 over Kishacoquillas Creek

Good

Mifflin County, Pennsylvania · Lewistown Boro · Structure no. 000000000026453

Built
1991
34 years old
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
150 ft
2 main spans
Daily traffic
5,389
2023 count
Owner
State
State Highway Agency

About this bridge

SR 522-US 522 over Kishacoquillas Creek is a prestressed concrete continuous box beam or girders - multiple carrying SR 522-US 522 over Kishacoquillas Creek in Mifflin County, Pennsylvania. It was built in 1991, so it is 34 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,389 vehicles a day, roughly 10% of them trucks, projected to reach 7,176 by 2042. The structure is 150 ft (45.7 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesSR 522-US 522
CrossesKishacoquillas Creek
LocationLewistown Boro
RouteU.S. Route 522
Coordinates40.60601, -77.5649
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating63.1 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length150 ft (45.7 m)
Longest span74 ft (22.6 m)
Deck width42 ft (12.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,389 (2023)
Projected traffic7,176 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemYes

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 522-US 522 over Kishacoquillas Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR 522-US 522 over Kishacoquillas Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does SR 522-US 522 over Kishacoquillas Creek carry?

About 5,389 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SR 522-US 522 over Kishacoquillas Creek?

The structure is 150 ft (45.7 m) long with a longest span of 74 ft (22.6 m) and a deck 42 ft wide.

Who owns SR 522-US 522 over Kishacoquillas Creek?

It is owned by the State Highway Agency.