170th ST over Skunk River

Fair Condition87 years old139 vehicles/day

Location

StateIowa
CountyStory
Location084230703
Carries170th ST
CrossesSkunk River
Coordinates42.10619, -93.57086

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure6 (Satisfactory)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignTruss - Thru
Total Length151.9 ft (46.3 m)
Max Span149.9 ft (45.7 m)
Deck Width21.3 ft (6.5 m)
Deck Area300.9 sq m
Main Spans1
Year Built1939

Traffic

Avg Daily Traffic139 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2022
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number000000000315280

Nearby Bridges

E23 170th ST over Keigley Branch 0.2 mi Good E23 170th ST over I-35 0.6 mi Good Pleasant Valley over Bear Creek 0.9 mi Fair 160th ST over Keigley Branch 1.3 mi Fair R 63 (180th St) over Skunk River 1.3 mi Good 560th AVE over Hamilton-story 1 Open Dd 1.4 mi Poor NB I-35 over Bear Creek 1.4 mi Fair SB I-35 over Bear Creek 1.4 mi Fair 560th AVE over Ham-story 1 Open Dd 1.9 mi Poor E29 190th ST over I-35 2.0 mi Fair