400th ST over W Nushnabotna

Good Condition20 years old40 vehicles/day

Location

StateIowa
CountyPottawattamie
Location074400304
Carries400th ST
CrossesW Nushnabotna
Coordinates41.24338, -95.42396

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure7 (Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length313.0 ft (95.4 m)
Max Span121.1 ft (36.9 m)
Deck Width24.6 ft (7.5 m)
Deck Area715.5 sq m
Main Spans3
Year Built2006

Traffic

Avg Daily Traffic40 (2022)
Lanes On Bridge2

Inspection & Ownership

Last Inspection424
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number000000000283991

Nearby Bridges

400th ST over Drainage 0.6 mi Good Ia 92 over West Nishnabotna River 0.7 mi Fair US 59 over Iowa 92 1.3 mi Fair Dogwood Road over Drainage 1.3 mi Fair 400th Street over Stream 1.9 mi Fair US 59 over Stream 2.0 mi Fair Ia 92 over Graybill Creek 2.3 mi Fair Chestnut Road over Graybill Creek 2.5 mi Good Local over Graybill Creek 2.5 mi Poor Fm-dogwood RD over Graybill Creek 3.0 mi Fair