Structure 55977 · Montgomery County, PA

Lafayette Street over Saw Mill Run

Carries Lafayette Street over Saw Mill Run, 1200 SE Us-202 3367-f3.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets the rating8/9 · Very Good
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT30 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 8/9

A culvert 30 ft across. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights, so those are drawn as typical for a culvert.

Built20188 years old
Length29.9 ft9.1 m
Daily traffic7,000counted 2014
Last inspectedOctober 2022every 24 months

Location

StatePennsylvania
CountyMontgomery
Location1200 SE Us-202 3367-f3
CarriesLafayette Street
CrossesSaw Mill Run
Coordinates40.11190, -75.34011

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length29.9 ft (9.1 m)
Max Span27.9 ft (8.5 m)
Deck Area182.9 sq m
Main Spans1
Year Built2018

Traffic

Avg Daily Traffic7,000 (2014)
Truck Traffic1%
Lanes On Bridge4

Inspection & Ownership

Last InspectionOctober 2022
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000055977

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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