Cth Pf Maple St over Baraboo River
Sauk County, Wisconsin · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth Pf Maple St over Baraboo River in Sauk County, Wisconsin, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 3 (serious condition) on the 0-9 scale.
- It was built in 1940, making it 85 years old at the 2025 inventory.
- It carries about 292 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 25 of the 275 inventoried bridges in Sauk County rated poor (9.1%); 25 (9.1%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: deck 4 to 3.
- Its most recent inspection on record is dated September 2024, on a 12-month routine inspection cycle.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (43.45719, -89.86672)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 4 | 3 | Serious condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 127 ft |
| Location | 0.2M S Jct Cth I |
| NBI structure number | B56067200000000 |
| Condition class | Poor |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 12 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 Sauk County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 90 Eb-ih 94 EB over Ush 12 | 1960 | 23,500 | Fair |
| Ih 90 Wb-ih 94 WB over Ush 12 | 1960 | 23,500 | Fair |
| Ih 90 Eb-ih 94 EB over Sth 23 | 1961 | 23,500 | Fair |
| Ih 90 Wb-ih 94 WB over Sth 23 | 1961 | 23,500 | Good |
| Ih 90 Eb-ih 94 EB over Mirror Lake | 1961 | 23,500 | Fair |
| Ih 90 Wb-ih 94 WB over Mirror Lake | 1961 | 23,500 | Fair |
All bridges nearby: Sauk County, WI bridge conditions · every bridge in Sauk County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.