US Bridges

T-357 over Beaverdam Run

Good

Mifflin County, Pennsylvania · 1500 Ft SE of SR 22 · Structure no. 000000000049065

Built
2014
11 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
399
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-357 over Beaverdam Run is a concrete culvert carrying T-357 over Beaverdam Run in Mifflin County, Pennsylvania. It was built in 2014, so it is 11 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 399 vehicles a day, roughly 1% of them trucks, projected to reach 512 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT-357
CrossesBeaverdam Run
Location1500 Ft SE of SR 22
RouteCity Street 0
Coordinates40.45439, -77.81414
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic399 (2023)
Projected traffic512 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T-357 over Beaverdam Run built?

It was built in 2014, making it 11 years old in 2025.

What condition is T-357 over Beaverdam Run 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 March 2023.

How much traffic does T-357 over Beaverdam Run carry?

About 399 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is T-357 over Beaverdam Run?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m).

Who owns T-357 over Beaverdam Run?

It is owned by the Town or Township Highway Agency.