Structure 33670-00083 · Jasper County, IA

Entry Road over Walnut Creek

Carries Entry Road over Walnut Creek, 2750 S. Of 96th Ave..

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT72 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

72 ft end to end, longest span 24 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.

Built1996rebuilt 2015
Length71.9 ft21.9 m
Daily traffic159counted 2023
Last inspectedAugust 2023every 24 months

Location

StateIowa
CountyJasper
Location2750 S. Of 96th Ave.
CarriesEntry Road
CrossesWalnut Creek
Coordinates41.55900, -93.26750

Physical Characteristics

MaterialWood or Timber
DesignSlab
Total Length71.9 ft (21.9 m)
Max Span24.0 ft (7.3 m)
Deck Width34.1 ft (10.4 m)
Deck Area227.8 sq m
Main Spans3
Year Built1996 (reconstructed 2015)

Traffic

Avg Daily Traffic159 (2023)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCode 63
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number000033670-00083

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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