US Bridges

T-335 North River over Minehart Run

Fair

Mifflin County, Pennsylvania · 0.4 Miles W of T-708 · Structure no. 000000000026635

Built
1993
32 years old
Condition
Fair
inspected July 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
24 ft
1 main span
Daily traffic
182
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-335 North River over Minehart Run is a aluminum, wrought iron, or cast iron culvert carrying T-335 North River over Minehart Run in Mifflin County, Pennsylvania. It was built in 1993, so it is 32 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 182 vehicles a day, roughly 10% of them trucks, projected to reach 202 by 2043. The structure is 24 ft (7.3 m) long and 23 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesT-335 North River
CrossesMinehart Run
Location0.4 Miles W of T-708
RouteCity Street 0
Coordinates40.55402, -77.63128
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span24 ft (7.3 m)
Deck width23 ft (7 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic182 (2023)
Projected traffic202 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-335 North River over Minehart Run built?

It was built in 1993, making it 32 years old in 2025.

What condition is T-335 North River over Minehart Run 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 July 2023.

How much traffic does T-335 North River over Minehart Run carry?

About 182 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is T-335 North River over Minehart Run?

The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.

Who owns T-335 North River over Minehart Run?

It is owned by the Town or Township Highway Agency.