Lrd Oak Park Rd over Koshkonong Creek
Dane County, Wisconsin · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Lrd Oak Park Rd over Koshkonong Creek in Dane 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 1951, making it 74 years old at the 2025 inventory.
- It carries about 1,600 vehicles a day (traffic count year 2022).
- Its listed owner is a town or township highway agency.
- It is one of 273 of the 593 inventoried bridges in Dane County rated fair (46.0%); 42 (7.1%) 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 September 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 → (43.05925, -89.10583)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 61 ft |
| Location | 1.4M S Jct Cth Bb |
| NBI structure number | B13003200000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | September 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 Dane County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 12/18-w Beltli over Cmstpp RR | 1975 | 131,000 | Good |
| Ush 12/14/18/151 over Lrd Todd Dr | 1971 | 129,000 | Fair |
| Ush 12/18-s Beltli over Drainage Ditch | 1988 | 117,000 | Fair |
| Ih 39/90/94 over Starkweather Creek | 1959 | 109,000 | Fair |
| Ush 12/18 over Br Yahara River | 1962 | 86,700 | Fair |
| Ush 12/18 over Drainage Ditch | 1987 | 86,700 | Fair |
All bridges nearby: Dane County, WI bridge conditions · every bridge in Dane County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.