Lrd Speedway Rd over Sprague Mather Flowage
Juneau County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Lrd Speedway Rd over Sprague Mather Flowage in Juneau County, Wisconsin, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2005, making it 20 years old at the 2025 inventory.
- It carries about 105 vehicles a day (traffic count year 2022).
- Its listed owner is a town or township highway agency.
- It is one of 88 of the 174 inventoried bridges in Juneau County rated good (50.6%); 5 (2.9%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated July 2024, on a 48-month routine inspection cycle.
- 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 → (44.09718, -90.17105)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 8 | 8 | Very good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 26 ft |
| Location | 4.5M W Jct Sth 80 |
| NBI structure number | B29013500000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | July 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 Juneau County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih 90 Eb-ih 94 EB over Ush 12-sth 16 | 1964 | 18,750 | Fair |
| Ih 90 Wb-ih 94 WB over Ush 12-sth 16 | 1964 | 18,750 | Fair |
| Ih 90 Eb-ih 94 EB over Cp RR | 1964 | 18,750 | Fair |
| Ih 90 Wb-ih 94 WB over Cp RR | 1964 | 18,750 | Fair |
| Ih 90 Wb-ih 94 WB over Lemonwier River | 2022 | 18,375 | Good |
| Ih 90 Eb-ih 94 EB over Sth 82 | 2022 | 18,375 | Good |
All bridges nearby: Juneau County, WI bridge conditions · every bridge in Juneau County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.