J 20 Agency RD over Spillway

Fair Condition91 years old400 vehicles/day

Location

StateIowa
CountyDes Moines
Location069050103
CarriesJ 20 Agency RD
CrossesSpillway
Coordinates40.81000, -91.38719

Condition Ratings

Overall ConditionFair
Deck7 (Good)
Superstructure6 (Satisfactory)
Substructure6 (Satisfactory)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length64.0 ft (19.5 m)
Max Span61.0 ft (18.6 m)
Deck Width26.6 ft (8.1 m)
Deck Area157.9 sq m
Main Spans1
Year Built1935 (reconstructed 2004)

Traffic

Avg Daily Traffic400 (2022)
Truck Traffic13%
Lanes On Bridge2

Inspection & Ownership

Last Inspection923
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is possibly eligible (requires evaluation)
Structure Number000000000699580

Nearby Bridges

X030 Ext(geode) over Cedar Creek 1.3 mi Poor Local over Hell Hollow Creek 1.3 mi Poor FM over Skunk River 1.6 mi Fair FM over Small Stream 1.8 mi Poor Local over Small Stream 1.8 mi Poor Local over Sutton Creek 2.0 mi Fair J20 Salem RD over Mud Creek 2.3 mi Good Perkins RD over Mud Creek 2.3 mi Good 220th AVE over Small Stream 2.4 mi Good Local over Small Stream 2.7 mi Poor