US Bridges

Snyder Road over Perkiomen Creek

PoorClosed to traffic

Montgomery County, Pennsylvania · Snyder Road LR158 2917C7 · Structure no. 000000000027941

Built
1903
122 years old, rebuilt 1960
Condition
Poor
inspected July 2024
Type
Truss - Thru
Steel
Length
172 ft
1 main span
Daily traffic
600
1977 count
Owner
County
County Highway Agency

About this bridge

Snyder Road over Perkiomen Creek is a steel truss - thru carrying Snyder Road over Perkiomen Creek in Montgomery County, Pennsylvania. It was built in 1903 and reconstructed in 1960, so it is 122 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 1 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. Its operating status is: closed to all traffic.

It carries about 600 vehicles a day, projected to reach 840 by 2026. The structure is 172 ft (52.4 m) long and 16 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSnyder Road
CrossesPerkiomen Creek
LocationSnyder Road LR158 2917C7
RouteCounty Highway 0
Coordinates40.33257, -75.48084
Functional classRural Minor Collector

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.
Superstructure1 Imminent FailureMajor deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1 (+1 approach)
Design loadUnknown
Structure length172 ft (52.4 m)
Longest span120 ft (36.6 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deck12 ft (3.6 m)

Traffic and service

Average daily traffic600 (1977)
Projected traffic840 by 2026
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$773,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Snyder Road over Perkiomen Creek built?

It was built in 1903, making it 122 years old in 2025. It was reconstructed in 1960.

What condition is Snyder Road over Perkiomen Creek 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 2024.

How much traffic does Snyder Road over Perkiomen Creek carry?

About 600 vehicles per day (1977 count).

How long is Snyder Road over Perkiomen Creek?

The structure is 172 ft (52.4 m) long with a longest span of 120 ft (36.6 m) and a deck 16 ft wide.

Who owns Snyder Road over Perkiomen Creek?

It is owned by the County Highway Agency.