US Bridges

Monument Avenue over Branch Pennypack Creek

Good

Montgomery County, Pennsylvania · 3259-C1 · Structure no. 000000000041703

Built
1999
26 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
500
2009 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Monument Avenue over Branch Pennypack Creek is a prestressed concrete box beam or girders - multiple carrying Monument Avenue over Branch Pennypack Creek in Montgomery County, Pennsylvania. It was built in 1999, so it is 26 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 500 vehicles a day, roughly 2% of them trucks, projected to reach 627 by 2032. The structure is 47 ft (14.3 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMonument Avenue
CrossesBranch Pennypack Creek
Location3259-C1
RouteCity Street 0
Coordinates40.18352, -75.11095
Functional classRural Local

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating69 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length47 ft (14.3 m)
Longest span46 ft (14 m)
Deck width33 ft (10.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2009)
Projected traffic627 by 2032
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Monument Avenue over Branch Pennypack Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Monument Avenue over Branch Pennypack Creek 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 2024.

How much traffic does Monument Avenue over Branch Pennypack Creek carry?

About 500 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is Monument Avenue over Branch Pennypack Creek?

The structure is 47 ft (14.3 m) long with a longest span of 46 ft (14 m) and a deck 33 ft wide.

Who owns Monument Avenue over Branch Pennypack Creek?

It is owned by the Town or Township Highway Agency.