Structure C006100302 · Merrick County, NE

County Highway over Stream

Carries County Highway over Stream, 5w 6.8s Chapman.

Overall conditionGood

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

How ratings work
Culvertsets the rating9/9 · Excellent
Channelnot part of overall9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
22 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 9/9

A culvert 22 ft across with 2 openings. Lengths are drawn to scale; at this length a semi-truck would be a speck. 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.

Built198838 years old
Length22.0 ft6.7 m
Daily traffic10counted 2003
Last inspectedNovember 2023every 24 months

Location

StateNebraska
CountyMerrick
Location5w 6.8s Chapman
CarriesCounty Highway
CrossesStream
Coordinates40.92000, -98.26330

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length22.0 ft (6.7 m)
Max Span9.8 ft (3 m)
Deck Area57.0 sq m
Main Spans2
Year Built1988

Traffic

Avg Daily Traffic10 (2003)
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberC006100302

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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