US Bridges

Portland RD over Gulph Creek

Fair

Montgomery County, Pennsylvania · N of Balligomingo 3367H9 · Structure no. 000000000057465

Built
1970
55 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
50 ft
3 main spans
Daily traffic
750
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Portland RD over Gulph Creek is a concrete culvert carrying Portland RD over Gulph Creek in Montgomery County, Pennsylvania. It was built in 1970, so it is 55 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 6 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 750 vehicles a day, roughly 38% of them trucks, projected to reach 1,000 by 2040. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesPortland RD
CrossesGulph Creek
LocationN of Balligomingo 3367H9
RouteCity Street 0
Coordinates40.07108, -75.32747
Functional classUrban 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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.1 US tons
Inventory rating37 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length50 ft (15.2 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2020)
Projected traffic1,000 by 2040
Trucks38%
Lanes on structure2
Traffic directionHighway traffic not carried
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Portland RD over Gulph Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Portland RD 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 April 2024.

How much traffic does Portland RD over Gulph Creek carry?

About 750 vehicles per day (2020 count), of which roughly 38% are trucks.

How long is Portland RD over Gulph Creek?

The structure is 50 ft (15.2 m) long with a longest span of 14 ft (4.3 m).

Who owns Portland RD over Gulph Creek?

It is owned by the Town or Township Highway Agency.