US Bridges

T-435 over Leiningers Run

PoorPosted for load

Juniata County, Pennsylvania · 400 S. of T-559 · Structure no. 000000000020346

Built
1939
86 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
2 main spans
Daily traffic
100
2014 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-435 over Leiningers Run is a steel stringer/multi-beam or girder carrying T-435 over Leiningers Run in Juniata County, Pennsylvania. It was built in 1939, so it is 86 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 150 by 2034. The structure is 27 ft (8.2 m) long and 21 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT-435
CrossesLeiningers Run
Location400 S. of T-559
RouteCity Street 0
Coordinates40.64253, -77.0238
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

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.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating3 US tons
Inventory rating2 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span13 ft (4 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2014)
Projected traffic150 by 2034
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$507,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T-435 over Leiningers Run built?

It was built in 1939, making it 86 years old in 2025.

What condition is T-435 over Leiningers Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does T-435 over Leiningers Run carry?

About 100 vehicles per day (2014 count), of which roughly 3% are trucks.

How long is T-435 over Leiningers Run?

The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 21 ft wide.

Who owns T-435 over Leiningers Run?

It is owned by the Town or Township Highway Agency.