US Bridges

T-350 over Kishacoquillas Creek

PoorClosed to traffic

Mifflin County, Pennsylvania · 2800FT North of T-437 · Structure no. 000000000026645

Built
1962
63 years old, rebuilt 2024
Condition
Poor
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
841
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-350 over Kishacoquillas Creek is a prestressed concrete box beam or girders - multiple carrying T-350 over Kishacoquillas Creek in Mifflin County, Pennsylvania. It was built in 1962 and reconstructed in 2024, so it is 63 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 841 vehicles a day, roughly 15% of them trucks, projected to reach 933 by 2044. The structure is 63 ft (19.2 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT-350
CrossesKishacoquillas Creek
Location2800FT North of T-437
RouteCity Street 0
Coordinates40.60075, -77.72432
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length63 ft (19.2 m)
Longest span61 ft (18.6 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic841 (2024)
Projected traffic933 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$5,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-350 over Kishacoquillas Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 2024.

What condition is T-350 over Kishacoquillas Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does T-350 over Kishacoquillas Creek carry?

About 841 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is T-350 over Kishacoquillas Creek?

The structure is 63 ft (19.2 m) long with a longest span of 61 ft (18.6 m) and a deck 27 ft wide.

Who owns T-350 over Kishacoquillas Creek?

It is owned by the Town or Township Highway Agency.