Structure 1830557 · Wake County, NC

Sr1011 over I40

Carries Sr1011 over I40, 1.0 Mi.e. Of Jct. Sr1415.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT303 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 5/9 · sets the ratingSubstructure 7/9

303 ft end to end, longest span 116 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.

Built198145 years old
Length302.8 ft92.3 m
Daily traffic16,000counted 2019
Last inspectedFebruary 2023every 24 months

Location

StateNorth Carolina
CountyWake
Location1.0 Mi.e. Of Jct. Sr1415
CarriesSr1011
CrossesI40
Coordinates35.78943, -78.74749

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length302.8 ft (92.3 m)
Max Span115.8 ft (35.3 m)
Deck Width70.5 ft (21.5 m)
Deck Area1984.5 sq m
Main Spans4
Year Built1981

Traffic

Avg Daily Traffic16,000 (2019)
Truck Traffic6%
Lanes On Bridge3
Lanes Under Bridge8

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001830557

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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