Structure S480 00345F · Douglas County, NE

I480 14th ST Exit over 12th/13th

Carries I480 14th ST Exit over 12th/13th, In Omaha.

Overall conditionGood

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

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT640 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

640 ft end to end, longest span 134 ft: about 1.8 football fields. Lengths and the semi-truck 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 multi-beam bridge.

Built1970rebuilt 1995
Length640.1 ft195.1 m
Daily traffic36,195counted 2018
Last inspectedMarch 2023every 24 months

Location

StateNebraska
CountyDouglas
LocationIn Omaha
CarriesI480 14th ST Exit
Crosses12th/13th
Coordinates41.26300, -95.93230

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length640.1 ft (195.1 m)
Max Span133.9 ft (40.8 m)
Deck Width24.6 ft (7.5 m)
Deck Area1463.2 sq m
Main Spans6
Year Built1970 (reconstructed 1995)

Traffic

Avg Daily Traffic36,195 (2018)
Truck Traffic5%
Lanes On Bridge1
Lanes Under Bridge5

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberS480 00345F

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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