Structure 18618 · Huntingdon County, PA

Pa 45 over Little Juniata River

Carries Pa 45 over Little Juniata River, 167 Feet West Of SR 4017.

Overall conditionFair

Set by its lowest-rated component: Deck at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT127 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

127 ft end to end, longest span 62 ft. 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 box-beam bridge.

Built1982rebuilt 2018
Length127.0 ft38.7 m
Daily traffic1,010counted 2024
Last inspectedApril 2024every 24 months

Location

StatePennsylvania
CountyHuntingdon
Location167 Feet West Of SR 4017
CarriesPa 45
CrossesLittle Juniata River
Coordinates40.60904, -78.13627

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length127.0 ft (38.7 m)
Max Span62.0 ft (18.9 m)
Deck Width36.7 ft (11.2 m)
Deck Area433.4 sq m
Main Spans2
Year Built1982 (reconstructed 2018)

Traffic

Avg Daily Traffic1,010 (2024)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number000000000018618

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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