Structure 24788 · Prince William County, VA

234 Bypass Nbl over I-66

Carries 234 Bypass Nbl over I-66, 00.60fr66/00.80to621.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT359 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

359 ft end to end, longest span 187 ft: about 5 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.

Built199729 years old
Length358.9 ft109.4 m
Daily traffic5,954counted 2022
Last inspectedDecember 2023every 22 months

Location

StateVirginia
CountyPrince William
Location00.60fr66/00.80to621
Carries234 Bypass Nbl
CrossesI-66
Coordinates38.79751, -77.57135

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length358.9 ft (109.4 m)
Max Span187.0 ft (57 m)
Deck Width55.4 ft (16.9 m)
Deck Area1848.9 sq m
Main Spans2
Year Built1997

Traffic

Avg Daily Traffic5,954 (2022)
Lanes On Bridge1
Lanes Under Bridge10

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 22 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000024788

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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