Cth Z over Fourteen Mile Creek
Adams County, Wisconsin · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth Z over Fourteen Mile Creek in Adams County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1976, making it 49 years old at the 2025 inventory.
- It carries about 960 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 14 of the 42 inventoried bridges in Adams County rated fair (33.3%); 1 (2.4%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (fair), but component ratings moved: substructure 7 to 5.
- Its most recent inspection on record is dated August 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 → (44.21778, -89.88453)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 5 | Fair condition |
Bridge details
| Structure | Timber slab |
| Length | about 36 ft |
| Location | 0.2M S Jct Cth D |
| NBI structure number | P01001100000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2024 |
| 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 Wisconsin department of transportation.
Busiest bridges in Adams County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Sth 13 over Carter Creek | 1937 | 7,100 | Fair |
| Sth 13-main St over Little Roche A Cri Creek | 1993 | 7,020 | Fair |
| Sth 13 over Fourteen Mile Creek | 1957 | 5,800 | Fair |
| Sth 21 over Wisconsin River | 1959 | 4,600 | Fair |
| Sth 21 over Wisconsin R Backwater | 2010 | 4,300 | Good |
| Sth 13 over Big Roche A Cri Lake | 2012 | 4,200 | Good |
All bridges nearby: Adams County, WI bridge conditions · every bridge in Adams County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.