Structure 1830725 · Wake County, NC

I540e over Us70

Carries I540e over Us70, 0.1mi.e.jct.sr1002.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT325 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

325 ft end to end, longest span 138 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
Length324.8 ft99 m
Daily traffic39,500counted 2020
Last inspectedJune 2024every 24 months

Location

StateNorth Carolina
CountyWake
Location0.1mi.e.jct.sr1002
CarriesI540e
CrossesUs70
Coordinates35.90508, -78.77147

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length324.8 ft (99 m)
Max Span137.8 ft (42 m)
Deck Width79.1 ft (24.1 m)
Deck Area2385.9 sq m
Main Spans3
Year Built1997

Traffic

Avg Daily Traffic39,500 (2020)
Truck Traffic16%
Lanes On Bridge4
Lanes Under Bridge8

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 Number000000001830725

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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