US Bridges

Millersville RD over Conestoga River

Fair

Lancaster County, Pennsylvania · 1.25 Mi.N.W. New Danville · Structure no. 000000000021307

Built
1957
68 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
352 ft
4 main spans
Daily traffic
13,020
2024 count
Owner
State
State Highway Agency

About this bridge

Millersville RD over Conestoga River is a steel continuous stringer/multi-beam or girder carrying Millersville RD over Conestoga River in Lancaster County, Pennsylvania. It was built in 1957, so it is 68 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.

It carries about 13,020 vehicles a day, roughly 6% of them trucks, projected to reach 19,525 by 2040. The structure is 352 ft (107.3 m) long and 39 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMillersville RD
CrossesConestoga River
Location1.25 Mi.N.W. New Danville
RouteState Highway 741
Coordinates40.00084, -76.32799
Functional classRural Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length352 ft (107.3 m)
Longest span97 ft (29.6 m)
Deck width39 ft (12 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,020 (2024)
Projected traffic19,525 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$848,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Millersville RD over Conestoga River built?

It was built in 1957, making it 68 years old in 2025.

What condition is Millersville RD over Conestoga River 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 August 2024.

How much traffic does Millersville RD over Conestoga River carry?

About 13,020 vehicles per day (2024 count), of which roughly 6% are trucks.

How long is Millersville RD over Conestoga River?

The structure is 352 ft (107.3 m) long with a longest span of 97 ft (29.6 m) and a deck 39 ft wide.

Who owns Millersville RD over Conestoga River?

It is owned by the State Highway Agency.