Structure 42907 · Lebanon County, PA

T-589 Sherkschurch over Raccoon Creek

Carries T-589 Sherkschurch over Raccoon Creek, Sherks Church Road T-589.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT37 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

37 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.

Built1940rebuilt 2005
Length37.1 ft11.3 m
Daily traffic50counted 2013
Last inspectedMarch 2023every 24 months

Location

StatePennsylvania
CountyLebanon
LocationSherks Church Road T-589
CarriesT-589 Sherkschurch
CrossesRaccoon Creek
Coordinates40.37643, -76.61711

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length37.1 ft (11.3 m)
Max Span25.9 ft (7.9 m)
Deck Width21.0 ft (6.4 m)
Deck Area72.3 sq m
Main Spans1
Year Built1940 (reconstructed 2005)

Traffic

Avg Daily Traffic50 (2013)
Truck Traffic5%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical7 — Countermeasures installed
Structure Number000000000042907

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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