US Bridges

Grosstown Road over Manatawny Creek

Good

Montgomery County, Pennsylvania · NW Pottstown 11B6/302 · Structure no. 000000000053948

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
135 ft
2 main spans
Daily traffic
2,764
2024 count
Owner
State
State Highway Agency

About this bridge

Grosstown Road over Manatawny Creek is a prestressed concrete continuous box beam or girders - multiple carrying Grosstown Road over Manatawny Creek in Montgomery County, Pennsylvania. It was built in 2017, so it is 8 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 2,764 vehicles a day, roughly 3% of them trucks, projected to reach 2,704 by 2037. The structure is 135 ft (41.1 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesGrosstown Road
CrossesManatawny Creek
LocationNW Pottstown 11B6/302
RouteState Highway 0
Coordinates40.26757, -75.67237
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating55.7 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length135 ft (41.1 m)
Longest span66 ft (20.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,764 (2024)
Projected traffic2,704 by 2037
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byPrivate (other than railroad)
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Grosstown Road over Manatawny Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is Grosstown Road over Manatawny 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 September 2023.

How much traffic does Grosstown Road over Manatawny Creek carry?

About 2,764 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Grosstown Road over Manatawny Creek?

The structure is 135 ft (41.1 m) long with a longest span of 66 ft (20.1 m) and a deck 32 ft wide.

Who owns Grosstown Road over Manatawny Creek?

It is owned by the State Highway Agency and maintained by the Private (other than railroad).