US Bridges

Gravel Pike over Perkiomen CREEK/2917-D9

Fair

Montgomery County, Pennsylvania · S.Of Green Lane 06K09 · Structure no. 000000000027165

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
182 ft
3 main spans
Daily traffic
7,957
2024 count
Owner
State
State Highway Agency

About this bridge

Gravel Pike over Perkiomen CREEK/2917-D9 is a prestressed concrete box beam or girders - multiple carrying Gravel Pike over Perkiomen CREEK/2917-D9 in Montgomery County, Pennsylvania. It was built in 1967, so it is 58 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 7,957 vehicles a day, roughly 8% of them trucks, projected to reach 8,435 by 2032. The structure is 182 ft (55.5 m) long and 44 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesGravel Pike
CrossesPerkiomen CREEK/2917-D9
LocationS.Of Green Lane 06K09
RouteState Highway 29
Coordinates40.32296, -75.48042
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating35.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span60 ft (18.3 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,957 (2024)
Projected traffic8,435 by 2032
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$456,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Gravel Pike over Perkiomen CREEK/2917-D9 built?

It was built in 1967, making it 58 years old in 2025.

What condition is Gravel Pike over Perkiomen CREEK/2917-D9 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 July 2023.

How much traffic does Gravel Pike over Perkiomen CREEK/2917-D9 carry?

About 7,957 vehicles per day (2024 count), of which roughly 8% are trucks.

How long is Gravel Pike over Perkiomen CREEK/2917-D9?

The structure is 182 ft (55.5 m) long with a longest span of 60 ft (18.3 m) and a deck 44 ft wide.

Who owns Gravel Pike over Perkiomen CREEK/2917-D9?

It is owned by the State Highway Agency.