Town Line Rd over Creek
Winneshiek County, Iowa · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Town Line Rd over Creek in Winneshiek County, Iowa, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1979, making it 46 years old at the 2025 inventory.
- It carries about 59 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 130 of the 342 inventoried bridges in Winneshiek County rated good (38.0%); 57 (16.7%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated November 2023, on a 24-month routine inspection cycle.
- 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 → (43.25539, -91.96356)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Concrete channel beam |
| Length | about 24 ft |
| Location | 097090601 |
| NBI structure number | 000000000347071 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | November 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Winneshiek County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ia 9 over Trout Creek | 1969 | 14,900 | Fair |
| Ia 9 over Division St | 1969 | 8,900 | Fair |
| College Dr over Upper Iowa River | 1987 | 8,868 | Fair |
| Ia 9 over Trout Creek | 1969 | 5,400 | Fair |
| US 52 over Dry Run | 1963 | 4,230 | Fair |
| US 52 over Stream & Twin Springs Rd | 1963 | 4,230 | Fair |
All bridges nearby: Winneshiek County, IA bridge conditions · every bridge in Winneshiek County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.