Sy Rd A-38 over I-35
Worth County, Iowa · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sy Rd A-38 over I-35 in Worth County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1971, making it 54 years old at the 2025 inventory.
- It carries about 1,011 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 55 of the 116 inventoried bridges in Worth County rated fair (47.4%); 17 (14.7%) 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 July 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (43.35713, -93.3495)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 291 ft |
| Location | At Jct. SR A38 |
| NBI structure number | 000000000356217 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Worth County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-35 over Drainage Ditch | 1972 | 20,600 | Good |
| I-35 over Goose Creek | 1972 | 20,100 | Fair |
| NB I 35 over over UP RR | 1970 | 10,700 | Fair |
| SB I 35 over over UP RR | 1970 | 10,500 | Fair |
| NB I-35 over Elk Creek | 1972 | 9,950 | Fair |
| SB I-35 over Elk Creek | 1972 | 9,750 | Fair |
All bridges nearby: Worth County, IA bridge conditions · every bridge in Worth County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.