Structure 350167 · Catawba County, NC

I40 over Clark Creek

Carries I40 over Clark Creek, 0.5 Mi. W. Jct. Sr1476.

Overall conditionFair

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

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT41 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 41 ft across with 3 openings. 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, so those are drawn as typical for a culvert.

Built197551 years old
Length40.7 ft12.4 m
Daily traffic56,000counted 2020
Last inspectedFebruary 2025every 24 months

Location

StateNorth Carolina
CountyCatawba
Location0.5 Mi. W. Jct. Sr1476
CarriesI40
CrossesClark Creek
Coordinates35.70597, -81.27227

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length40.7 ft (12.4 m)
Max Span10.8 ft (3.3 m)
Deck Area271.6 sq m
Main Spans3
Year Built1975

Traffic

Avg Daily Traffic56,000 (2020)
Truck Traffic16%
Lanes On Bridge4

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000350167

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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