US Bridges

Washington Street over Saw Mill Run

Poor

Montgomery County, Pennsylvania · 1400 Ft S US-202 3367-F3 · Structure no. 000000000028221

Built
1931
94 years old
Condition
Poor
inspected October 2022
Type
Tee Beam
Concrete
Length
33 ft
1 main span
Daily traffic
4,000
2014 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Washington Street over Saw Mill Run is a concrete tee beam carrying Washington Street over Saw Mill Run in Montgomery County, Pennsylvania. It was built in 1931, so it is 94 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 4,000 vehicles a day, roughly 2% of them trucks, projected to reach 5,150 by 2034. The structure is 33 ft (10.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWashington Street
CrossesSaw Mill Run
Location1400 Ft S US-202 3367-F3
RouteCity Street 0
Coordinates40.11051, -75.33835
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2022
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 geometry2: Basically intolerable, requiring high priority of replacement
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 typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span32 ft (9.8 m)
Deck width30 ft (9.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2014)
Projected traffic5,150 by 2034
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Washington Street over Saw Mill Run built?

It was built in 1931, making it 94 years old in 2025.

What condition is Washington Street over Saw Mill Run 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 October 2022.

How much traffic does Washington Street over Saw Mill Run carry?

About 4,000 vehicles per day (2014 count), of which roughly 2% are trucks.

How long is Washington Street over Saw Mill Run?

The structure is 33 ft (10.1 m) long with a longest span of 32 ft (9.8 m) and a deck 30 ft wide.

Who owns Washington Street over Saw Mill Run?

It is owned by the Town or Township Highway Agency.