US Bridges

SR 1046 over Trib. to Muddy Creek

Poor

Lancaster County, Pennsylvania · 0.5 Mi.W. of Bowmansville · Structure no. 000000000021470

Built
1955
70 years old
Condition
Poor
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
38 ft
1 main span
Daily traffic
1,648
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1046 over Trib. to Muddy Creek is a prestressed concrete box beam or girders - multiple carrying SR 1046 over Trib. to Muddy Creek in Lancaster County, Pennsylvania. It was built in 1955, so it is 70 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.

It carries about 1,648 vehicles a day, roughly 7% of them trucks, projected to reach 1,362 by 2032. The structure is 38 ft (11.6 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 1046
CrossesTrib. to Muddy Creek
Location0.5 Mi.W. of Bowmansville
RouteState Highway 0
Coordinates40.19719, -76.02274
Functional classUrban Collector

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating29 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length38 ft (11.6 m)
Longest span36 ft (11 m)
Deck width33 ft (10.2 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,648 (2024)
Projected traffic1,362 by 2032
Trucks7%
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

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$56,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 1046 over Trib. to Muddy Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is SR 1046 over Trib. to Muddy Creek 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 May 2024.

How much traffic does SR 1046 over Trib. to Muddy Creek carry?

About 1,648 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is SR 1046 over Trib. to Muddy Creek?

The structure is 38 ft (11.6 m) long with a longest span of 36 ft (11 m) and a deck 33 ft wide.

Who owns SR 1046 over Trib. to Muddy Creek?

It is owned by the State Highway Agency.