US Bridges

Swamp Pike over Hartenstine Creek

Fair

Montgomery County, Pennsylvania · 0.35 MI N of SR 4021 · Structure no. 000000000027973

Built
1931
94 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
26 ft
1 main span
Daily traffic
13,785
2019 count
Owner
County
County Highway Agency

About this bridge

Swamp Pike over Hartenstine Creek is a concrete slab carrying Swamp Pike over Hartenstine Creek in Montgomery County, Pennsylvania. It was built in 1931, so it is 94 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 13,785 vehicles a day, projected to reach 11,918 by 2018. The structure is 26 ft (7.9 m) long and 41 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSwamp Pike
CrossesHartenstine Creek
Location0.35 MI N of SR 4021
RouteCity Street 0
CountyMontgomery County
StatePennsylvania
Coordinates40.2523, -75.5352
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span20 ft (6.1 m)
Deck width41 ft (12.5 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,785 (2019)
Projected traffic11,918 by 2018
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$244,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Swamp Pike over Hartenstine Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is Swamp Pike over Hartenstine Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does Swamp Pike over Hartenstine Creek carry?

About 13,785 vehicles per day (2019 count).

How long is Swamp Pike over Hartenstine Creek?

The structure is 26 ft (7.9 m) long with a longest span of 20 ft (6.1 m) and a deck 41 ft wide.

Who owns Swamp Pike over Hartenstine Creek?

It is owned by the County Highway Agency.