US Bridges

SR4047(MILL Rd.) over SR 78 (LR141)

Fair

Berks County, Pennsylvania · 2 Mi.E.Of Shartlesville · Structure no. 000000000004650

Built
1961
64 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
157 ft
1 main span
Daily traffic
180
2024 count
Owner
State
State Highway Agency

About this bridge

SR4047(MILL Rd.) over SR 78 (LR141) is a prestressed concrete box beam or girders - multiple carrying SR4047(MILL Rd.) over SR 78 (LR141) in Berks County, Pennsylvania. It was built in 1961, so it is 64 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 180 vehicles a day, roughly 7% of them trucks, projected to reach 181 by 2032. The structure is 157 ft (47.9 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSR4047(MILL Rd.)
CrossesSR 78 (LR141)
Location2 Mi.E.Of Shartlesville
RouteState Highway 0
Coordinates40.52709, -76.07804
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating39 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span90 ft (27.4 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic180 (2024)
Projected traffic181 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR4047(MILL Rd.) over SR 78 (LR141) built?

It was built in 1961, making it 64 years old in 2025.

What condition is SR4047(MILL Rd.) over SR 78 (LR141) 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 July 2023.

How much traffic does SR4047(MILL Rd.) over SR 78 (LR141) carry?

About 180 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR4047(MILL Rd.) over SR 78 (LR141)?

The structure is 157 ft (47.9 m) long with a longest span of 90 ft (27.4 m) and a deck 33 ft wide.

Who owns SR4047(MILL Rd.) over SR 78 (LR141)?

It is owned by the State Highway Agency.