US Bridges

On Tsr 328 over Beaver Dam Run

Fair

Mifflin County, Pennsylvania · 2 MI N Newton Hamilton · Structure no. 000000000026570

Built
1940
85 years old, rebuilt 1960
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
700
2024 count
Owner
State
State Highway Agency

About this bridge

On Tsr 328 over Beaver Dam Run is a steel stringer/multi-beam or girder carrying On Tsr 328 over Beaver Dam Run in Mifflin County, Pennsylvania. It was built in 1940 and reconstructed in 1960, so it is 85 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 700 vehicles a day, roughly 5% of them trucks, projected to reach 775 by 2044. The structure is 50 ft (15.2 m) long and 27 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesOn Tsr 328
CrossesBeaver Dam Run
Location2 MI N Newton Hamilton
RouteState Highway 0
Coordinates40.41518, -77.81507
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating45 US tons
Inventory rating27 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.9 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2024)
Projected traffic775 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$393,000
NavigationNo navigation control on waterway

Frequently asked questions

When was On Tsr 328 over Beaver Dam Run built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1960.

What condition is On Tsr 328 over Beaver Dam 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 April 2024.

How much traffic does On Tsr 328 over Beaver Dam Run carry?

About 700 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is On Tsr 328 over Beaver Dam Run?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 27 ft wide.

Who owns On Tsr 328 over Beaver Dam Run?

It is owned by the State Highway Agency.