US Bridges

Ramp D TO(SB)I-476 over Germantown Pike/ 3368-E3

Good

Montgomery County, Pennsylvania · South TPK.EXT.25 29J10 · Structure no. 000000000028297

Built
1989
36 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
137 ft
1 main span
Daily traffic
8,507
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp D TO(SB)I-476 over Germantown Pike/ 3368-E3 is a steel stringer/multi-beam or girder carrying Ramp D TO(SB)I-476 over Germantown Pike/ 3368-E3 in Montgomery County, Pennsylvania. It was built in 1989, so it is 36 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 8,507 vehicles a day, roughly 8% of them trucks, projected to reach 16,887 by 2032. The structure is 137 ft (41.8 m) long and 36 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesRamp D TO(SB)I-476
CrossesGermantown Pike/ 3368-E3
LocationSouth TPK.EXT.25 29J10
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.10897, -75.28361
Functional classUrban Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.9 US tons
Inventory rating61.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length137 ft (41.8 m)
Longest span132 ft (40.2 m)
Deck width36 ft (11.1 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,507 (2024)
Projected traffic16,887 by 2032
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp D TO(SB)I-476 over Germantown Pike/ 3368-E3 built?

It was built in 1989, making it 36 years old in 2025.

What condition is Ramp D TO(SB)I-476 over Germantown Pike/ 3368-E3 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 September 2023.

How much traffic does Ramp D TO(SB)I-476 over Germantown Pike/ 3368-E3 carry?

About 8,507 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Ramp D TO(SB)I-476 over Germantown Pike/ 3368-E3?

The structure is 137 ft (41.8 m) long with a longest span of 132 ft (40.2 m) and a deck 36 ft wide.

Who owns Ramp D TO(SB)I-476 over Germantown Pike/ 3368-E3?

It is owned by the State Highway Agency.