Structure 504445 · Scott County, IA

Geo. Thuenen DR over Imrl Link

Carries Geo. Thuenen DR over Imrl Link, Bettendorf Ia.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT290 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 7/9

290 ft end to end, longest span 50 ft: about 4 semi-trucks nose to tail. 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 box-beam bridge.

Built199828 years old
Length290.0 ft88.4 m
Daily traffic95counted 2022
Last inspectedJuly 2023every 24 months

Location

StateIowa
CountyScott
LocationBettendorf Ia
CarriesGeo. Thuenen DR
CrossesImrl Link
Coordinates41.52374, -90.50858

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length290.0 ft (88.4 m)
Max Span49.9 ft (15.2 m)
Deck Width44.0 ft (13.4 m)
Deck Area1184.6 sq m
Main Spans7
Year Built1998

Traffic

Avg Daily Traffic95 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000504445

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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