US Bridges

On Tsr 328 over Spring Run

Fair

Mifflin County, Pennsylvania · 1 MI NW Mcveytown · Structure no. 000000000026592

Built
1950
75 years old
Condition
Fair
inspected June 2024
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
739
2024 count
Owner
State
State Highway Agency

About this bridge

On Tsr 328 over Spring Run is a concrete tee beam carrying On Tsr 328 over Spring Run in Mifflin County, Pennsylvania. It was built in 1950, so it is 75 years old, older 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 739 vehicles a day, roughly 3% of them trucks, projected to reach 640 by 2042. The structure is 26 ft (7.9 m) long and 28 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesOn Tsr 328
CrossesSpring Run
Location1 MI NW Mcveytown
RouteState Highway 0
CountyMifflin County
StatePennsylvania
Coordinates40.51928, -77.75382
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic739 (2024)
Projected traffic640 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$295,000
NavigationNo navigation control on waterway

Frequently asked questions

When was On Tsr 328 over Spring Run built?

It was built in 1950, making it 75 years old in 2025.

What condition is On Tsr 328 over Spring 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 June 2024.

How much traffic does On Tsr 328 over Spring Run carry?

About 739 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is On Tsr 328 over Spring Run?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 28 ft wide.

Who owns On Tsr 328 over Spring Run?

It is owned by the State Highway Agency.