US Bridges

Masons Mill Road over Pennypack Creek

Good

Montgomery County, Pennsylvania · Masons Mill Road 3259-H5 · Structure no. 000000000027947

Built
1989
36 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
84 ft
1 main span
Daily traffic
4,416
2019 count
Owner
County
County Highway Agency

About this bridge

Masons Mill Road over Pennypack Creek is a prestressed concrete box beam or girders - multiple carrying Masons Mill Road over Pennypack Creek in Montgomery County, Pennsylvania. It was built in 1989, so it is 36 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 4,416 vehicles a day, roughly 20% of them trucks, projected to reach 2,486 by 2018. The structure is 84 ft (25.6 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMasons Mill Road
CrossesPennypack Creek
LocationMasons Mill Road 3259-H5
RouteCity Street 0
Coordinates40.15663, -75.08025
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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating49.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length84 ft (25.6 m)
Longest span83 ft (25.3 m)
Deck width31 ft (9.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,416 (2019)
Projected traffic2,486 by 2018
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Masons Mill Road over Pennypack Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Masons Mill Road over 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 July 2024.

How much traffic does Masons Mill Road over Pennypack Creek carry?

About 4,416 vehicles per day (2019 count), of which roughly 20% are trucks.

How long is Masons Mill Road over Pennypack Creek?

The structure is 84 ft (25.6 m) long with a longest span of 83 ft (25.3 m) and a deck 31 ft wide.

Who owns Masons Mill Road over Pennypack Creek?

It is owned by the County Highway Agency.