Thunder Road over N Fork Maquoketa River

Good Condition2 years old380 vehicles/day

Location

StateIowa
CountyDubuque
Location090w11807
CarriesThunder Road
CrossesN Fork Maquoketa River
Coordinates42.61137, -91.01445

Condition Ratings

Overall ConditionGood
Deck8 (Very Good)
Superstructure8 (Very Good)
Substructure8 (Very Good)
Channel/Waterway8 (Very Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length83.0 ft (25.3 m)
Max Span30.8 ft (9.4 m)
Deck Width33.1 ft (10.1 m)
Deck Area255.5 sq m
Main Spans3
Year Built2024

Traffic

Avg Daily Traffic380 (2023)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last Inspection824
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number000000000366975

Nearby Bridges

X71 Clear Creek RD over Creek 0.9 mi Good Local over Creek 1.3 mi Fair Ia 3 over N Fork Maquoketa River 1.6 mi Fair X71 Clear Creek RD over Stream 2.0 mi Good Clear Creek RD over N Fork Little Maquket 2.5 mi Good FM over Creek 2.9 mi Good Flannagan RD over N Fork Little Maquketa 3.3 mi Good Local over Small Stream 3.9 mi Fair Home Ent (sdb) over Panther Creek 4.3 mi Poor Tollgate RD over Small Stream 4.3 mi Good