US Bridges

South Gulph Road over Gulph Creek

Fair

Montgomery County, Pennsylvania · Gulph Mill Inter 3367F10 · Structure no. 000000000027746

Built
1984
41 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
30 ft
1 main span
Daily traffic
18,294
2024 count
Owner
State
State Highway Agency

About this bridge

South Gulph Road over Gulph Creek is a steel culvert carrying South Gulph Road over Gulph Creek in Montgomery County, Pennsylvania. It was built in 1984, so it is 41 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 18,294 vehicles a day, roughly 4% of them trucks, projected to reach 23,329 by 2032. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSouth Gulph Road
CrossesGulph Creek
LocationGulph Mill Inter 3367F10
RouteState Highway 0
Coordinates40.06835, -75.34217
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,294 (2024)
Projected traffic23,329 by 2032
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was South Gulph Road over Gulph Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is South Gulph Road 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 August 2023.

How much traffic does South Gulph Road over Gulph Creek carry?

About 18,294 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is South Gulph Road over Gulph Creek?

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m).

Who owns South Gulph Road over Gulph Creek?

It is owned by the State Highway Agency.