Ia 21 over Branch Salt Creek

Good Condition47 years old1,470 vehicles/day

Location

StateIowa
CountyBenton
Location0.8 Mi. S Of Jct. SR E36
CarriesIa 21
CrossesBranch Salt Creek
Coordinates42.06823, -92.29889

Condition Ratings

Overall ConditionGood
Deck7 (Good)
Superstructure8 (Very Good)
Substructure7 (Good)
Channel/Waterway6 (Satisfactory)
Scour Critical5 — Stable for scour

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length189.0 ft (57.6 m)
Max Span82.0 ft (25 m)
Deck Width47.2 ft (14.4 m)
Deck Area829.4 sq m
Main Spans3
Year Built1979

Traffic

Avg Daily Traffic1,470 (2022)
Truck Traffic24%
Lanes On Bridge2

Inspection & Ownership

Last Inspection423
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000014431

Nearby Bridges

E36 over Stein Creek 0.8 mi Poor Ia 21 over Stein Creek 0.8 mi Fair Local over Br Stein Ck 0.8 mi Poor Local over East Branch Salt Creek 1.0 mi Good 11th AVE over Tributary To Stein Creek 1.0 mi Good Local over East Branch Salt Creek 1.4 mi Poor FM over Small Stream 1.6 mi Fair Local over East Branch Salt Creek 1.6 mi Good Local over Stein Ck 1.7 mi Poor Local over Br Stein Ck 2.1 mi Good