Structure 505355 · Bremer County, IA

3rd AVE NW over Dry Run Creek

Carries 3rd AVE NW over Dry Run Creek, Between 5th & 6th ST NW.

Overall conditionGood

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

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

Elevation

Side view, colored by inspection rating
CAR · 15 FT37 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 7/9

A culvert 37 ft across with 3 openings. 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, so those are drawn as typical for a culvert.

Built201610 years old
Length37.4 ft11.4 m
Daily traffic330counted 2022
Last inspectedMarch 2023every 24 months

Location

StateIowa
CountyBremer
LocationBetween 5th & 6th ST NW
Carries3rd AVE NW
CrossesDry Run Creek
Coordinates42.72863, -92.47768

Physical Characteristics

MaterialConcrete Continuous
DesignCulvert
Total Length37.4 ft (11.4 m)
Max Span12.1 ft (3.7 m)
Deck Area107.2 sq m
Main Spans3
Year Built2016

Traffic

Avg Daily Traffic330 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000505355

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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