Structure 1635W011 · New Castle County, DE

Kirkwood Hwy/sr2 over Red Clay Creek & Rr

Carries Kirkwood Hwy/sr2 over Red Clay Creek & Rr, Cranston Heights.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT746 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

746 ft end to end, longest span 131 ft: about 2.1 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.

Built1940rebuilt 1988
Length746.1 ft227.4 m
Daily traffic20,030counted 2023
Last inspectedMarch 2024every 24 months

Location

StateDelaware
CountyNew Castle
LocationCranston Heights
CarriesKirkwood Hwy/sr2
CrossesRed Clay Creek & Rr
Coordinates39.73526, -75.63383

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length746.1 ft (227.4 m)
Max Span130.9 ft (39.9 m)
Deck Width59.4 ft (18.1 m)
Deck Area4115.9 sq m
Main Spans10
Year Built1940 (reconstructed 1988)

Traffic

Avg Daily Traffic20,030 (2023)
Truck Traffic9%
Lanes On Bridge3

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number1635W011

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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