US Bridges

T-341 Dairy RD over Little Conestoga CR Trib

FairPosted for load

Lancaster County, Pennsylvania · 1000 West of T-557 · Structure no. 000000000021914

Built
1968
57 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
775
2011 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T-341 Dairy RD over Little Conestoga CR Trib is a prestressed concrete box beam or girders - multiple carrying T-341 Dairy RD over Little Conestoga CR Trib in Lancaster County, Pennsylvania. It was built in 1968, so it is 57 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. Its operating status is: posted for load restriction.

It carries about 775 vehicles a day, roughly 8% of them trucks, projected to reach 1,040 by 2031. The structure is 44 ft (13.4 m) long and 34 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesT-341 Dairy RD
CrossesLittle Conestoga CR Trib
Location1000 West of T-557
RouteCity Street 0
Coordinates40.08104, -76.35521
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37 US tons
Inventory rating14 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span40 ft (12.2 m)
Deck width34 ft (10.4 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic775 (2011)
Projected traffic1,040 by 2031
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was T-341 Dairy RD over Little Conestoga CR Trib built?

It was built in 1968, making it 57 years old in 2025.

What condition is T-341 Dairy RD over Little Conestoga CR Trib 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 October 2023.

How much traffic does T-341 Dairy RD over Little Conestoga CR Trib carry?

About 775 vehicles per day (2011 count), of which roughly 8% are trucks.

How long is T-341 Dairy RD over Little Conestoga CR Trib?

The structure is 44 ft (13.4 m) long with a longest span of 40 ft (12.2 m) and a deck 34 ft wide.

Who owns T-341 Dairy RD over Little Conestoga CR Trib?

It is owned by the Town or Township Highway Agency.