US Bridges

Belmont Avenue over Schuylkill River

Poor

Montgomery County, Pennsylvania · 450 Ft of SR 3045 · Structure no. 000000000027916

Built
1928
97 years old
Condition
Poor
inspected August 2024
Type
Arch - Deck
Concrete
Length
564 ft
4 main spans
Daily traffic
32,092
2019 count
Owner
County
County Highway Agency

About this bridge

Belmont Avenue over Schuylkill River is a concrete arch - deck carrying Belmont Avenue over Schuylkill River in Montgomery County, Pennsylvania. It was built in 1928, so it is 97 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 32,092 vehicles a day, roughly 2% of them trucks, projected to reach 23,633 by 2018. The structure is 564 ft (171.9 m) long and 57 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBelmont Avenue
CrossesSchuylkill River
Location450 Ft of SR 3045
RouteCity Street 0
Coordinates40.02613, -75.228
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4 (+1 approach)
Design loadUnknown
Structure length564 ft (171.9 m)
Longest span93 ft (28.3 m)
Deck width57 ft (17.4 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,092 (2019)
Projected traffic23,633 by 2018
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Belmont Avenue over Schuylkill River built?

It was built in 1928, making it 97 years old in 2025.

What condition is Belmont Avenue over Schuylkill River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Belmont Avenue over Schuylkill River carry?

About 32,092 vehicles per day (2019 count), of which roughly 2% are trucks.

How long is Belmont Avenue over Schuylkill River?

The structure is 564 ft (171.9 m) long with a longest span of 93 ft (28.3 m) and a deck 57 ft wide.

Who owns Belmont Avenue over Schuylkill River?

It is owned by the County Highway Agency.