Cth N over Spring Valley Creek
Monroe County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth N over Spring Valley Creek in Monroe County, Wisconsin, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 2021, making it 4 years old at the 2025 inventory.
- It carries about 250 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 160 of the 374 inventoried bridges in Monroe County rated good (42.8%); 20 (5.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: deck 8 to 7, superstructure 8 to 7.
- Its most recent inspection on record is dated July 2024, 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.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (43.82768, -90.39688)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 7 | Good condition |
| Superstructure | 8 | 7 | Good condition |
| Substructure | 9 | 9 | Excellent condition |
Bridge details
| Structure | Timber slab |
| Length | about 29 ft |
| Location | 1.3M W Jct Cth W |
| NBI structure number | B41032700000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Monroe County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 90-ih 94 over Bear Creek | 1963 | 37,900 | Good |
| Ih 90-ih 94 over W Fk Bear Creek | 1963 | 37,900 | Good |
| Ih 90/94 WB over Lrd Funnel Rd | 2010 | 31,900 | Good |
| Ih 94 over Mud Creek | 1963 | 26,100 | Fair |
| Ih NW Ramp Ih 94 over Lemonweir River | 2003 | 26,100 | Good |
| Ih 90 Eb-ih 94 EB over Br Allen Creek | 1963 | 18,950 | Fair |
All bridges nearby: Monroe County, WI bridge conditions · every bridge in Monroe County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.