Structure 74 · District of Columbia County, DC

Alabama Avenue SE over Suitland Parkway

Carries Alabama Avenue SE over Suitland Parkway, Ala AVE Over Suit PKWY.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT106 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

106 ft end to end, longest span 48 ft. 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 rigid-frame bridge.

Built194383 years old
Length106.0 ft32.3 m
Daily traffic17,800counted 2018
Last inspectedOctober 2024every 24 months

Location

StateDistrict of Columbia
CountyDistrict of Columbia
LocationAla AVE Over Suit PKWY
CarriesAlabama Avenue SE
CrossesSuitland Parkway
Coordinates38.85123, -76.97264

Physical Characteristics

MaterialConcrete Continuous
DesignFrame
Total Length106.0 ft (32.3 m)
Max Span47.9 ft (14.6 m)
Deck Width67.6 ft (20.6 m)
Deck Area665.4 sq m
Main Spans2
Year Built1943

Traffic

Avg Daily Traffic17,800 (2018)
Truck Traffic1%
Lanes On Bridge4
Lanes Under Bridge4

Inspection & Ownership

Last InspectionOctober 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number0074

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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