Structure 100000160048010 · Prince George's County, MD

Md 978a over Collington Branch

Carries Md 978a over Collington Branch, 0.18 Mile West Of Md 214.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
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 5/9 · sets the rating

37 ft end to end, longest span 16 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 slab bridge.

Built192997 years old
Length37.1 ft11.3 m
Daily traffic2,180counted 2009
Last inspectedNovember 2023every 24 months

Location

StateMaryland
CountyPrince George's
Location0.18 Mile West Of Md 214
CarriesMd 978a
CrossesCollington Branch
Coordinates38.90206, -76.73492

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length37.1 ft (11.3 m)
Max Span16.1 ft (4.9 m)
Deck Width26.2 ft (8 m)
Deck Area90.4 sq m
Main Spans2
Year Built1929

Traffic

Avg Daily Traffic2,180 (2009)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Scour Critical7 — Countermeasures installed
Structure Number100000160048010

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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