Structure 1632 011 · New Castle County, DE

Kirkwood Hgwy/sr2 over Csx Silver Run

Carries Kirkwood Hgwy/sr2 over Csx Silver Run, Elsmere.

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 overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,054 FT OVERALL200 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

1,054 ft end to end, longest span 103 ft: about 2.9 football fields. 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 multi-beam bridge.

Built1949rebuilt 1985
Length1054.5 ft321.4 m
Daily traffic26,585counted 2022
Last inspectedFebruary 2023every 24 months

Location

StateDelaware
CountyNew Castle
LocationElsmere
CarriesKirkwood Hgwy/sr2
CrossesCsx Silver Run
Coordinates39.73985, -75.58741

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1054.5 ft (321.4 m)
Max Span103.0 ft (31.4 m)
Deck Width74.8 ft (22.8 m)
Deck Area7327.9 sq m
Main Spans13
Year Built1949 (reconstructed 1985)

Traffic

Avg Daily Traffic26,585 (2022)
Truck Traffic10%
Lanes On Bridge4
Lanes Under Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number1632 011

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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