Structure S080 32815L · Hamilton County, NE

I80 over Coll 23c

Carries I80 over Coll 23c, 4w Aurora Intrchg.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT109 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 6/9 · sets the ratingSubstructure 7/9

109 ft end to end, longest span 44 ft. 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 or the layout of the shorter spans, so those are drawn as typical for a slab bridge.

Built1966rebuilt 2011
Length108.9 ft33.2 m
Daily traffic23,995counted 2018
Last inspectedJuly 2023every 24 months

Location

StateNebraska
CountyHamilton
Location4w Aurora Intrchg
CarriesI80
CrossesColl 23c
Coordinates40.82210, -98.07380

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length108.9 ft (33.2 m)
Max Span44.0 ft (13.4 m)
Deck Width38.1 ft (11.6 m)
Deck Area385.1 sq m
Main Spans3
Year Built1966 (reconstructed 2011)

Traffic

Avg Daily Traffic23,995 (2018)
Truck Traffic33%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberS080 32815L

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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