Anamosa Reform over Buffalo Creek
Jones County, Iowa · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Anamosa Reform over Buffalo Creek in Jones 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 1900 and reconstructed in 2000, making it 125 years old at the 2025 inventory.
- It is one of 134 of the 230 inventoried bridges in Jones County rated fair (58.3%); 11 (4.8%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 2023, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- 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 → (42.12414, -91.32048)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel through truss |
| Length | about 102 ft |
| Location | IN QUARRY at ST. REFORM. |
| NBI structure number | 000000000699785 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | May 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Iowa department of transportation.
Busiest bridges in Jones County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 151 over Drainage Ditch | 1964 | 14,100 | Fair |
| US 151 over Unnamed Creek | 2001 | 12,200 | Good |
| 3RD Street over Fawn Creek | 1965 | 7,954 | Fair |
| US 151 SB over Wapsipinicon River | 1964 | 7,350 | Fair |
| US 151 NB over Wapsipinicon River | 2002 | 7,200 | Fair |
| US 151 SB over Kitty Creek | 1960 | 6,250 | Fair |
All bridges nearby: Jones County, IA bridge conditions · every bridge in Jones County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.