US Bridges

Old Gulph Road over Mill Creek

Fair

Montgomery County, Pennsylvania · 0.95 MI S of SR 0023 · Structure no. 000000000027983

Built
1936
89 years old
Condition
Fair
inspected May 2024
Type
Arch - Deck
Concrete
Length
50 ft
1 main span
Daily traffic
6,605
2019 count
Owner
County
County Highway Agency

About this bridge

Old Gulph Road over Mill Creek is a concrete arch - deck carrying Old Gulph Road over Mill Creek in Montgomery County, Pennsylvania. It was built in 1936, so it is 89 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 6,605 vehicles a day, projected to reach 5,703 by 2018. The structure is 50 ft (15.2 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesOld Gulph Road
CrossesMill Creek
Location0.95 MI S of SR 0023
RouteState Highway 0
CountyMontgomery County
StatePennsylvania
Coordinates40.02259, -75.27923
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
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 inspectionMay 2024
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length50 ft (15.2 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,605 (2019)
Projected traffic5,703 by 2018
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$213,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Gulph Road over Mill Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is Old Gulph Road over Mill 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 Old Gulph Road over Mill Creek carry?

About 6,605 vehicles per day (2019 count).

How long is Old Gulph Road over Mill Creek?

The structure is 50 ft (15.2 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns Old Gulph Road over Mill Creek?

It is owned by the County Highway Agency.