Structure 27141 · Hardin County, IA

US 65 over Iowa River

Carries US 65 over Iowa River, 0.1 Mi. S Jct. S.r. D20.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT294 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

294 ft end to end: 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 through arch.

Built201115 years old
Length293.6 ft89.5 m
Daily traffic7,800counted 2022
Last inspectedOctober 2023every 24 months

Location

StateIowa
CountyHardin
Location0.1 Mi. S Jct. S.r. D20
CarriesUS 65
CrossesIowa River
Coordinates42.51781, -93.26298

Physical Characteristics

MaterialSteel
DesignArch - Thru
Total Length293.6 ft (89.5 m)
Max Span288.4 ft (87.9 m)
Deck Width63.6 ft (19.4 m)
Deck Area1736.3 sq m
Main Spans1
Year Built2011

Traffic

Avg Daily Traffic7,800 (2022)
Truck Traffic8%
Lanes On Bridge3

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000027141

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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