Structure 1830726 · Wake County, NC

I540n.ramp over I540 & Us70

Carries I540n.ramp over I540 & Us70, 0.6 Mi E Brier Creek PKWY.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT1,603 FT OVERALL250 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 7/9

1,603 ft end to end, longest span 256 ft: about 4.5 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.

Built199729 years old
Length1603.0 ft488.6 m
Daily traffic13,000counted 2022
Last inspectedJune 2024every 24 months

Location

StateNorth Carolina
CountyWake
Location0.6 Mi E Brier Creek PKWY
CarriesI540n.ramp
CrossesI540 & Us70
Coordinates35.90533, -78.77081

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length1603.0 ft (488.6 m)
Max Span255.9 ft (78 m)
Deck Width43.0 ft (13.1 m)
Deck Area6400.7 sq m
Main Spans9
Year Built1997

Traffic

Avg Daily Traffic13,000 (2022)
Truck Traffic16%
Lanes On Bridge2
Lanes Under Bridge18

Inspection & Ownership

Last InspectionJune 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001830726

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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