US Bridges

Ramp B over U.S. 422

Good

Montgomery County, Pennsylvania · SR422/SR23 Intc. 3366C04 · Structure no. 000000000055826

Built
2018
7 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
194 ft
2 main spans
Daily traffic
5,964
2024 count
Owner
State
State Highway Agency

About this bridge

Ramp B over U.S. 422 is a steel continuous stringer/multi-beam or girder carrying Ramp B over U.S. 422 in Montgomery County, Pennsylvania. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,964 vehicles a day, roughly 7% of them trucks, projected to reach 7,915 by 2039. The structure is 194 ft (59.1 m) long and 47 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesRamp B
CrossesU.S. 422
LocationSR422/SR23 Intc. 3366C04
RouteState Highway 0
Coordinates40.10484, -75.42025
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.3 US tons
Inventory rating37.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length194 ft (59.1 m)
Longest span98 ft (29.9 m)
Deck width47 ft (14.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,964 (2024)
Projected traffic7,915 by 2039
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.8 mi (11 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ramp B over U.S. 422 built?

It was built in 2018, making it 7 years old in 2025.

What condition is Ramp B over U.S. 422 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 Ramp B over U.S. 422 carry?

About 5,964 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Ramp B over U.S. 422?

The structure is 194 ft (59.1 m) long with a longest span of 98 ft (29.9 m) and a deck 47 ft wide.

Who owns Ramp B over U.S. 422?

It is owned by the State Highway Agency.