US Bridges

T-710 over Strodes Run

Fair

Mifflin County, Pennsylvania · 0.4 MI North of SR0022 · Structure no. 000000000026640

Built
1920
105 years old, rebuilt 2021
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
600
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 1920 and reconstructed in 2021, so it is 105 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 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 600 vehicles a day, roughly 10% of them trucks, projected to reach 663 by 2043. The structure is 56 ft (17.1 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesT-710
CrossesStrodes Run
Location0.4 MI North of SR0022
RouteCity Street 0
Coordinates40.55538, -77.67631
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating57 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length56 ft (17.1 m)
Longest span54 ft (16.5 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2023)
Projected traffic663 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 1920, making it 105 years old in 2025. It was reconstructed in 2021.

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 September 2023.

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

About 600 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is T-710 over Strodes Run?

The structure is 56 ft (17.1 m) long with a longest span of 54 ft (16.5 m) and a deck 26 ft wide.

Who owns T-710 over Strodes Run?

It is owned by the Town or Township Highway Agency.