US Bridges

Pa Tpk (I-76) over Br. Muddy Cr.

Fair

Lancaster County, Pennsylvania · Brecknock Twp · Structure no. 000000000021799

Built
1949
76 years old
Condition
Fair
inspected April 2023
Type
Tee Beam
Concrete
Length
42 ft
1 main span
Daily traffic
36,390
2008 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-76) over Br. Muddy Cr. is a concrete tee beam carrying Pa Tpk (I-76) over Br. Muddy Cr. in Lancaster County, Pennsylvania. It was built in 1949, so it is 76 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 6 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 36,390 vehicles a day, roughly 21% of them trucks, projected to reach 49,410 by 2030. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 8.7 mi (14 km).

CarriesPa Tpk (I-76)
CrossesBr. Muddy Cr.
LocationBrecknock Twp
RouteInterstate 76
Coordinates40.20758, -76.02136
Functional classRural Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,390 (2008)
Projected traffic49,410 by 2030
Trucks21%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$192,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Pa Tpk (I-76) over Br. Muddy Cr. built?

It was built in 1949, making it 76 years old in 2025.

What condition is Pa Tpk (I-76) over Br. Muddy Cr. 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 April 2023.

How much traffic does Pa Tpk (I-76) over Br. Muddy Cr. carry?

About 36,390 vehicles per day (2008 count), of which roughly 21% are trucks.

How long is Pa Tpk (I-76) over Br. Muddy Cr.?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m).

Who owns Pa Tpk (I-76) over Br. Muddy Cr.?

It is owned by the State Toll Authority.