Sth 16 over South Fork Lemonweir Riv
Monroe County, Wisconsin · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Sth 16 over South Fork Lemonweir Riv in Monroe County, Wisconsin, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 6 (satisfactory condition) on the 0-9 scale.
- It was built in 1993, making it 32 years old at the 2025 inventory.
- It carries about 2,300 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 194 of the 374 inventoried bridges in Monroe County rated fair (51.9%); 20 (5.3%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- It was rated good in the 2024 inventory and is now fair (deck 7 to 6, superstructure 7 to 6).
- Its most recent inspection on record is dated September 2024, on a 48-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 → (43.95332, -90.54379)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 6 | Satisfactory condition |
| Superstructure | 7 | 6 | Satisfactory condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Concrete slab |
| Length | about 41 ft |
| Location | 0.4M E Jct Cth M |
| NBI structure number | B41019000000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 2024 |
| Inspection interval (item 91) | 48 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 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.