Local over Mosquito Creek
Guthrie County, Iowa · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Local over Mosquito Creek in Guthrie 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 1993, making it 32 years old at the 2025 inventory.
- It carries about 15 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 65 of the 263 inventoried bridges in Guthrie County rated good (24.7%); 94 (35.7%) 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 → (41.79107, -94.29706)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 7 | Good condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Continuous concrete slab |
| Length | about 127 ft |
| Location | 081303601 |
| NBI structure number | 000000000169821 |
| Condition class | Good |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Guthrie County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ia 44 over Bays Branch Creek | 1981 | 3,460 | Good |
| Ia 44 over Branch Mosquito Creek | 1981 | 3,460 | Fair |
| Ia 25 over South Raccoon River | 1983 | 3,200 | Good |
| Ia 44 over Brushy Creek | 1972 | 3,200 | Fair |
| Ia 44 over Middle Raccoon River | 1972 | 3,200 | Fair |
| Ia 141 over Dry Run Creek | 2004 | 2,160 | Good |
All bridges nearby: Guthrie County, IA bridge conditions · every bridge in Guthrie County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.