Structure 1420 · District of Columbia County, DC

11th Street S.e. over I-295

Carries 11th Street S.e. over I-295, I-295.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure8/9 · Very Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT264 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 8/9Substructure 7/9

264 ft end to end, longest span 98 ft: about 4 semi-trucks nose to tail. 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.

Built201214 years old
Length263.8 ft80.4 m
Daily traffic29,800counted 2004
Last inspectedMarch 2023every 24 months

Location

StateDistrict of Columbia
CountyDistrict of Columbia
LocationI-295
Carries11th Street S.e.
CrossesI-295
Coordinates39.41964, -76.98858

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length263.8 ft (80.4 m)
Max Span98.1 ft (29.9 m)
Deck Width86.6 ft (26.4 m)
Deck Area2122.6 sq m
Main Spans3
Year Built2012

Traffic

Avg Daily Traffic29,800 (2004)
Truck Traffic3%
Lanes On Bridge5
Lanes Under Bridge6

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number1420

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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