US Bridges

South Avenue over Muckinipattis Creek

PoorPosted for load

Delaware County, Pennsylvania · 0.1MI SR13 3698-D8 · Structure no. 000000000015395

Built
1927
98 years old
Condition
Poor
inspected September 2023
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
3,779
2022 count
Owner
County
County Highway Agency

About this bridge

South Avenue over Muckinipattis Creek is a concrete slab carrying South Avenue over Muckinipattis Creek in Delaware County, Pennsylvania. It was built in 1927, so it is 98 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. Its operating status is: posted for load restriction.

It carries about 3,779 vehicles a day, roughly 7% of them trucks, projected to reach 4,209 by 2042. The structure is 23 ft (7 m) long and 50 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesSouth Avenue
CrossesMuckinipattis Creek
Location0.1MI SR13 3698-D8
RouteCity Street 0
CountyDelaware County
StatePennsylvania
Coordinates39.89265, -75.29249
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27 US tons
Inventory rating16 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width50 ft (15.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,779 (2022)
Projected traffic4,209 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$156,000
NavigationNo navigation control on waterway

Frequently asked questions

When was South Avenue over Muckinipattis Creek built?

It was built in 1927, making it 98 years old in 2025.

What condition is South Avenue over Muckinipattis 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 September 2023.

How much traffic does South Avenue over Muckinipattis Creek carry?

About 3,779 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is South Avenue over Muckinipattis Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 50 ft wide.

Who owns South Avenue over Muckinipattis Creek?

It is owned by the County Highway Agency.