US Bridges

Pa Tpk (I-476) over Lr 46154; SR 3001

Good

Montgomery County, Pennsylvania · Norristown · Structure no. 000000000048850

Built
2014
11 years old
Condition
Good
inspected June 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
120 ft
1 main span
Daily traffic
25,172
2001 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-476) over Lr 46154; SR 3001 is a steel stringer/multi-beam or girder carrying Pa Tpk (I-476) over Lr 46154; SR 3001 in Montgomery County, Pennsylvania. It was built in 2014, so it is 11 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 25,172 vehicles a day, roughly 16% of them trucks, projected to reach 38,215 by 2030. The structure is 120 ft (36.6 m) long and 126 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesPa Tpk (I-476)
CrossesLr 46154; SR 3001
LocationNorristown
RouteInterstate 476
CountyMontgomery County
StatePennsylvania
Coordinates40.13739, -75.28789
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2022
Inspection intervalevery 48 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 rating57.9 US tons
Inventory rating44.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span115 ft (35.1 m)
Deck width126 ft (38.4 m)
Roadway width118 ft (36.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,172 (2001)
Projected traffic38,215 by 2030
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pa Tpk (I-476) over Lr 46154; SR 3001 built?

It was built in 2014, making it 11 years old in 2025.

What condition is Pa Tpk (I-476) over Lr 46154; SR 3001 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 2022.

How much traffic does Pa Tpk (I-476) over Lr 46154; SR 3001 carry?

About 25,172 vehicles per day (2001 count), of which roughly 16% are trucks.

How long is Pa Tpk (I-476) over Lr 46154; SR 3001?

The structure is 120 ft (36.6 m) long with a longest span of 115 ft (35.1 m) and a deck 126 ft wide.

Who owns Pa Tpk (I-476) over Lr 46154; SR 3001?

It is owned by the State Toll Authority.