Structure 53352 · Centre County, PA

Thickhead Mnt. Rd. over Sinking Creek

Carries Thickhead Mnt. Rd. over Sinking Creek, Potter Twp..

Overall conditionGood

Set by its lowest-rated component: Deck at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
20 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

20 ft end to end. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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 rigid-frame bridge.

Built201610 years old
Length20.0 ft6.1 m
Daily traffic100counted 2024
Last inspectedJuly 2024every 24 months

Location

StatePennsylvania
CountyCentre
LocationPotter Twp.
CarriesThickhead Mnt. Rd.
CrossesSinking Creek
Coordinates40.75990, -77.70860

Physical Characteristics

MaterialConcrete
DesignFrame
Total Length20.0 ft (6.1 m)
Max Span20.0 ft (6.1 m)
Deck Width18.4 ft (5.6 m)
Deck Area34.2 sq m
Main Spans1
Year Built2016

Traffic

Avg Daily Traffic100 (2024)
Truck Traffic1%
Lanes On Bridge1

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Park/Forest Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000053352

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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