Structure 17479 · Franklin County, PA

Sr1001;mt.pleasant over Conococheague Creek

Carries Sr1001;mt.pleasant over Conococheague Creek, .5 Mi N Of Fayetteville.

Overall conditionGood

Set by its lowest-rated component: Superstructure and Substructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT62 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 7/9 · sets the ratingSubstructure 7/9 · sets the rating

62 ft end to end. 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.

Built1931rebuilt 1986
Length62.0 ft18.9 m
Daily traffic2,125counted 2024
Last inspectedJune 2024every 48 months

Location

StatePennsylvania
CountyFranklin
Location.5 Mi N Of Fayetteville
CarriesSr1001;mt.pleasant
CrossesConococheague Creek
Coordinates39.91888, -77.55652

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length62.0 ft (18.9 m)
Max Span60.0 ft (18.3 m)
Deck Width33.1 ft (10.1 m)
Deck Area190.9 sq m
Main Spans1
Year Built1931 (reconstructed 1986)

Traffic

Avg Daily Traffic2,125 (2024)
Truck Traffic4%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000017479

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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