US Bridges

Bridge Road over Perkiomen Ck Backchannel

Good

Montgomery County, Pennsylvania · Rahns 20E4/3141J7 · Structure no. 000000000027308

Built
1992
33 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
141 ft
2 main spans
Daily traffic
9,516
2024 count
Owner
State
State Highway Agency

About this bridge

Bridge Road over Perkiomen Ck Backchannel is a steel continuous stringer/multi-beam or girder carrying Bridge Road over Perkiomen Ck Backchannel in Montgomery County, Pennsylvania. It was built in 1992, so it is 33 years old, younger than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,516 vehicles a day, roughly 8% of them trucks, projected to reach 12,517 by 2032. The structure is 141 ft (43 m) long and 42 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBridge Road
CrossesPerkiomen Ck Backchannel
LocationRahns 20E4/3141J7
RouteState Highway 113
Coordinates40.20903, -75.4482
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length141 ft (43 m)
Longest span71 ft (21.6 m)
Deck width42 ft (12.9 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,516 (2024)
Projected traffic12,517 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 Bridge Road over Perkiomen Ck Backchannel built?

It was built in 1992, making it 33 years old in 2025.

What condition is Bridge Road over Perkiomen Ck Backchannel in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Bridge Road over Perkiomen Ck Backchannel carry?

About 9,516 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Bridge Road over Perkiomen Ck Backchannel?

The structure is 141 ft (43 m) long with a longest span of 71 ft (21.6 m) and a deck 42 ft wide.

Who owns Bridge Road over Perkiomen Ck Backchannel?

It is owned by the State Highway Agency.