I 29 SB over Aband RR & Dike Rd
Fremont County, Iowa · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I 29 SB over Aband RR & Dike Rd in Fremont County, Iowa, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1972, making it 53 years old at the 2025 inventory.
- It carries about 7,850 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 82 of the 179 inventoried bridges in Fremont County rated fair (45.8%); 38 (21.2%) 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 June 2023, 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 → (40.66948, -95.76601)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 302 ft |
| Location | 1.6 Mi. S of Ia 2 |
| NBI structure number | 000000000600080 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 2023 |
| 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 Fremont County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ia 2 over Missouri River | 1986 | 8,300 | Good |
| Ia 2 over Overflow | 2022 | 8,000 | Good |
| I 29 NB over over Aband RR & Lcl Rd | 1972 | 7,850 | Fair |
| NB I-29 over BNSF RR & Main St | 1972 | 7,300 | Fair |
| SB I-29 over BNSF RR & Main St | 1972 | 7,300 | Fair |
| I 29 NB over Main Ditch NO.6 | 1972 | 7,300 | Fair |
All bridges nearby: Fremont County, IA bridge conditions · every bridge in Fremont County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.