US 34 over City Reservoir Inlet
Lucas County, Iowa · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- US 34 over City Reservoir Inlet in Lucas County, Iowa, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 7 (good condition) on the 0-9 scale.
- It was built in 1958, making it 67 years old at the 2025 inventory.
- It carries about 3,080 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 65 of the 198 inventoried bridges in Lucas County rated good (32.8%); 65 (32.8%) are rated poor.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (41.00294, -93.27195)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Culvert | 7 | Good condition |
Bridge details
| Structure | Continuous concrete culvert |
| Length | about 20 ft |
| Location | 1.8 mi. E of Jct. IA #14 |
| NBI structure number | 000000000034320 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Lucas County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 34 & 65 over over BNSF RR | 1974 | 3,560 | Fair |
| US 34 over Stream | 2023 | 3,500 | Good |
| US 34 over Abandon RR Bike Path | 1960 | 3,400 | Fair |
| US 34 over Stream | 1960 | 3,400 | Fair |
| US 34 over White Breast Creek | 2017 | 3,330 | Good |
| US 34 over Russell Blvd BNSF UP RR | 1960 | 3,160 | Fair |
All bridges nearby: Lucas County, IA bridge conditions · every bridge in Lucas County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.