Structure 27740 · Montgomery County, PA

Abrams Road over Abrams Run

Carries Abrams Road over Abrams Run, U. Merion Twp 28d8/3366k2.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT38 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

38 ft end to end, longest span 15 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built193789 years old
Length38.1 ft11.6 m
Daily traffic3,939counted 2024
Last inspectedDecember 2022every 24 months

Location

StatePennsylvania
CountyMontgomery
LocationU. Merion Twp 28d8/3366k2
CarriesAbrams Road
CrossesAbrams Run
Coordinates40.11478, -75.38031

Physical Characteristics

MaterialConcrete Continuous
DesignStringer/Multi-beam
Total Length38.1 ft (11.6 m)
Max Span15.1 ft (4.6 m)
Deck Width26.9 ft (8.2 m)
Deck Area95.1 sq m
Main Spans2
Year Built1937

Traffic

Avg Daily Traffic3,939 (2024)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2022
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number000000000027740

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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