US Bridges

Bowman Avenue over AMTRAK Phil-Hbg.

Good

Montgomery County, Pennsylvania · 1 MI NE US-30 3478-K10 · Structure no. 000000000028023

Built
1992
33 years old
Condition
Good
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
6,300
2016 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Bowman Avenue over AMTRAK Phil-Hbg. is a prestressed concrete box beam or girders - multiple carrying Bowman Avenue over AMTRAK Phil-Hbg. 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 6,300 vehicles a day, roughly 1% of them trucks, projected to reach 7,000 by 2036. The structure is 74 ft (22.6 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBowman Avenue
CrossesAMTRAK Phil-Hbg.
Location1 MI NE US-30 3478-K10
RouteCity Street 0
Coordinates40.0024, -75.2534
Functional classRural Minor Collector

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 inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length74 ft (22.6 m)
Longest span72 ft (21.9 m)
Deck width40 ft (12.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,300 (2016)
Projected traffic7,000 by 2036
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$35,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was Bowman Avenue over AMTRAK Phil-Hbg. built?

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

What condition is Bowman Avenue over AMTRAK Phil-Hbg. 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 November 2022.

How much traffic does Bowman Avenue over AMTRAK Phil-Hbg. carry?

About 6,300 vehicles per day (2016 count), of which roughly 1% are trucks.

How long is Bowman Avenue over AMTRAK Phil-Hbg.?

The structure is 74 ft (22.6 m) long with a longest span of 72 ft (21.9 m) and a deck 40 ft wide.

Who owns Bowman Avenue over AMTRAK Phil-Hbg.?

It is owned by the Town or Township Highway Agency.