Structure C002102305P · Custer County, NE

Coll 7397 over Stream

Carries Coll 7397 over Stream, 14.5w 3.5s Of Oconto #420.

Overall conditionGood

Set by its lowest-rated component: Culvert at 8 of 9.

How ratings work
Culvertsets the rating8/9 · Very Good
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 8/9

A culvert 22 ft across with 4 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.

Built200125 years old
Length22.0 ft6.7 m
Daily traffic40counted 1998
Last inspectedOctober 2022every 48 months

Location

StateNebraska
CountyCuster
Location14.5w 3.5s Of Oconto #420
CarriesColl 7397
CrossesStream
Coordinates41.08330, -100.03670

Physical Characteristics

MaterialSteel
DesignCulvert
Total Length22.0 ft (6.7 m)
Max Span3.9 ft (1.2 m)
Deck Area57.0 sq m
Main Spans4
Year Built2001

Traffic

Avg Daily Traffic40 (1998)
Lanes On Bridge2

Inspection & Ownership

Last InspectionOctober 2022
Inspection FrequencyEvery 48 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberC002102305P

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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