US Bridges

Pa Tpk (I-476) over T-346 Jolly RD

Good

Montgomery County, Pennsylvania · Near Arch Street RD · Structure no. 000000000048841

Built
2014
11 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
1 main span
Daily traffic
65,329
2004 count
Owner
Toll Authority
State Toll Authority

About this bridge

Pa Tpk (I-476) over T-346 Jolly RD is a steel stringer/multi-beam or girder carrying Pa Tpk (I-476) over T-346 Jolly RD 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 65,329 vehicles a day, roughly 16% of them trucks, projected to reach 94,986 by 2030. The structure is 142 ft (43.3 m) long and 125 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesPa Tpk (I-476)
CrossesT-346 Jolly RD
LocationNear Arch Street RD
RouteInterstate 476
CountyMontgomery County
StatePennsylvania
Coordinates40.14907, -75.29154
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 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 rating60 US tons
Inventory rating46.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length142 ft (43.3 m)
Longest span136 ft (41.5 m)
Deck width125 ft (38.2 m)
Roadway width118 ft (36 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65,329 (2004)
Projected traffic94,986 by 2030
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed16.2 mi (26 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 T-346 Jolly RD built?

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

What condition is Pa Tpk (I-476) over T-346 Jolly RD 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 August 2022.

How much traffic does Pa Tpk (I-476) over T-346 Jolly RD carry?

About 65,329 vehicles per day (2004 count), of which roughly 16% are trucks.

How long is Pa Tpk (I-476) over T-346 Jolly RD?

The structure is 142 ft (43.3 m) long with a longest span of 136 ft (41.5 m) and a deck 125 ft wide.

Who owns Pa Tpk (I-476) over T-346 Jolly RD?

It is owned by the State Toll Authority.