Structure 28204 · Montgomery County, PA

County Line Road over Pa Tpk (i-276)

Carries County Line Road over Pa Tpk (i-276), South Of Southampton.

Overall conditionFair

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

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT140 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

140 ft end to end. Lengths and the semi-truck 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 girder bridge.

Built195472 years old
Length140.1 ft42.7 m
Daily traffic24,196counted 2024
Last inspectedApril 2024every 24 months

Location

StatePennsylvania
CountyMontgomery
LocationSouth Of Southampton
CarriesCounty Line Road
CrossesPa Tpk (i-276)
Coordinates40.16314, -75.05713

Physical Characteristics

MaterialSteel
DesignGirder and Floorbeam
Total Length140.1 ft (42.7 m)
Max Span131.9 ft (40.2 m)
Deck Width42.3 ft (12.9 m)
Deck Area550.8 sq m
Main Spans1
Year Built1954

Traffic

Avg Daily Traffic24,196 (2024)
Truck Traffic4%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000000028204

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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