US Bridges

T-710 over Strodes Run

Fair

Mifflin County, Pennsylvania · 0.2 MI North of SR 22 · Structure no. 000000000040174

Built
1998
27 years old
Condition
Fair
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
350
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-710 over Strodes Run is a prestressed concrete box beam or girders - multiple carrying T-710 over Strodes Run in Mifflin County, Pennsylvania. It was built in 1998, so it is 27 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 387 by 2043. The structure is 40 ft (12.2 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT-710
CrossesStrodes Run
Location0.2 MI North of SR 22
RouteCity Street 0
Coordinates40.55341, -77.67556
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2023)
Projected traffic387 by 2043
Trucks10%
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 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-710 over Strodes Run built?

It was built in 1998, making it 27 years old in 2025.

What condition is T-710 over Strodes 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 May 2023.

How much traffic does T-710 over Strodes Run carry?

About 350 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is T-710 over Strodes Run?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 35 ft wide.

Who owns T-710 over Strodes Run?

It is owned by the Town or Township Highway Agency.