US Bridges

Whites Mill Road over Ridge Valley Crk

Poor

Montgomery County, Pennsylvania · Nr.Bucks Cty.Line 08A04 · Structure no. 000000000027555

Built
1928
97 years old
Condition
Poor
inspected July 2023
Type
Slab
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
482
2024 count
Owner
State
State Highway Agency

About this bridge

Whites Mill Road over Ridge Valley Crk is a concrete continuous slab carrying Whites Mill Road over Ridge Valley Crk in Montgomery County, Pennsylvania. It was built in 1928, so it is 97 years old, older than the Pennsylvania average of 54.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 482 vehicles a day, roughly 7% of them trucks, projected to reach 597 by 2032. The structure is 33 ft (10.1 m) long and 22 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesWhites Mill Road
CrossesRidge Valley Crk
LocationNr.Bucks Cty.Line 08A04
RouteState Highway 0
Coordinates40.35531, -75.40534
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, 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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length33 ft (10.1 m)
Longest span16 ft (4.9 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic482 (2024)
Projected traffic597 by 2032
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$404,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Whites Mill Road over Ridge Valley Crk built?

It was built in 1928, making it 97 years old in 2025.

What condition is Whites Mill Road over Ridge Valley Crk in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does Whites Mill Road over Ridge Valley Crk carry?

About 482 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Whites Mill Road over Ridge Valley Crk?

The structure is 33 ft (10.1 m) long with a longest span of 16 ft (4.9 m) and a deck 22 ft wide.

Who owns Whites Mill Road over Ridge Valley Crk?

It is owned by the State Highway Agency.