US Bridges

Arden ROAD(T721) over Gulph Creek

Fair

Montgomery County, Pennsylvania · At SR320 Adc 3367-F10 · Structure no. 000000000028131

Built
1991
34 years old
Condition
Fair
inspected May 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
700
2012 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Arden ROAD(T721) over Gulph Creek is a prestressed concrete box beam or girders - multiple carrying Arden ROAD(T721) over Gulph Creek in Montgomery County, Pennsylvania. It was built in 1991, so it is 34 years old, younger 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 700 vehicles a day, roughly 1% of them trucks, projected to reach 900 by 2032. The structure is 36 ft (11 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesArden ROAD(T721)
CrossesGulph Creek
LocationAt SR320 Adc 3367-F10
RouteCity Street 0
CountyMontgomery County
StatePennsylvania
Coordinates40.06574, -75.3429
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 alignment6: Equal to present minimum criteria
Operating rating110 US tons
Inventory rating66 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width31 ft (9.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2012)
Projected traffic900 by 2032
Trucks1%
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

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 Arden ROAD(T721) over Gulph Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Arden ROAD(T721) over Gulph 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 May 2024.

How much traffic does Arden ROAD(T721) over Gulph Creek carry?

About 700 vehicles per day (2012 count), of which roughly 1% are trucks.

How long is Arden ROAD(T721) over Gulph Creek?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 31 ft wide.

Who owns Arden ROAD(T721) over Gulph Creek?

It is owned by the Town or Township Highway Agency.