100th ST over Keigley Branch

Poor Condition126 years old15 vehicles/day

Location

StateIowa
CountyStory
Location085240501
Carries100th ST
CrossesKeigley Branch
Coordinates42.20932, -93.66538

Condition Ratings

Overall ConditionPoor
Deck6 (Satisfactory)
Superstructure6 (Satisfactory)
Substructure4 (Poor)
Channel/Waterway5 (Fair)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length60.0 ft (18.3 m)
Max Span15.1 ft (4.6 m)
Deck Width24.0 ft (7.3 m)
Deck Area133.6 sq m
Main Spans4
Year Built1900 (reconstructed 1974)

Traffic

Avg Daily Traffic15 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionNovember 2022
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000316280

Nearby Bridges

Local over Keigley CR 1.0 mi Fair 110th ST over Keigley Branch 1.0 mi Fair 520th AVE over Keigley Branch 1.1 mi Poor Local over Keigley CR 1.5 mi Fair 120th ST over Keigley Branch 2.0 mi Fair Local over Keigley Creek 2.2 mi Fair 120th ST over Hamilton-story 1 Open Dd 2.5 mi Fair FM over Keigley Creek 3.0 mi Good E18/130th ST over Keigley Branch 3.2 mi Fair FM over Creek 3.4 mi Poor