Structure C001306105 · Cass County, NE

12th AVE over Ervine Creek

Carries 12th AVE over Ervine Creek, 1.5e 3.2n Of Union.

Overall conditionGood

Set by its lowest-rated component: Culvert at 7 of 9.

How ratings work
Culvertsets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT43 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 43 ft across with 2 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.

Built20215 years old
Length43.0 ft13.1 m
Daily traffic20counted 2003
Last inspectedSeptember 2024every 24 months

Location

StateNebraska
CountyCass
Location1.5e 3.2n Of Union
Carries12th AVE
CrossesErvine Creek
Coordinates40.85880, -95.89220

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length43.0 ft (13.1 m)
Max Span21.0 ft (6.4 m)
Deck Area111.3 sq m
Main Spans2
Year Built2021

Traffic

Avg Daily Traffic20 (2003)
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure NumberC001306105

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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