US Bridges

Allentown Road over Skippack Creek / 3031F04

Fair

Montgomery County, Pennsylvania · N.Of Elroy Road 16A03 · Structure no. 000000000027525

Built
1988
37 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
47 ft
2 main spans
Daily traffic
10,674
2024 count
Owner
State
State Highway Agency

About this bridge

Allentown Road over Skippack Creek / 3031F04 is a concrete culvert carrying Allentown Road over Skippack Creek / 3031F04 in Montgomery County, Pennsylvania. It was built in 1988, so it is 37 years old, younger 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 10,674 vehicles a day, roughly 10% of them trucks, projected to reach 9,272 by 2032. The structure is 47 ft (14.3 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesAllentown Road
CrossesSkippack Creek / 3031F04
LocationN.Of Elroy Road 16A03
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.28849, -75.33856
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating54 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length47 ft (14.3 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,674 (2024)
Projected traffic9,272 by 2032
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Allentown Road over Skippack Creek / 3031F04 built?

It was built in 1988, making it 37 years old in 2025.

What condition is Allentown Road over Skippack Creek / 3031F04 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 Allentown Road over Skippack Creek / 3031F04 carry?

About 10,674 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Allentown Road over Skippack Creek / 3031F04?

The structure is 47 ft (14.3 m) long with a longest span of 20 ft (6.1 m).

Who owns Allentown Road over Skippack Creek / 3031F04?

It is owned by the State Highway Agency.