Cth O over N. Br. Penbonwon R.
Marinette County, Wisconsin · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth O over N. Br. Penbonwon R. in Marinette 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 1997, making it 28 years old at the 2025 inventory.
- It carries about 361 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 76 of the 135 inventoried bridges in Marinette County rated good (56.3%); 12 (8.9%) 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 October 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 → (45.68667, -88.01933)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 49 ft |
| Location | 2.6M N. Jct Cth Oo |
| NBI structure number | B38008000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 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 Marinette County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 41-bridge St over Menominee River | 2005 | 18,592 | Good |
| Ush 41-bridge St over Menominee River | 2005 | 18,300 | Good |
| Ush 41 over Unnamed CR | 2008 | 13,000 | Good |
| Ush 141 over Peshtigo River | 1992 | 8,900 | Good |
| Ush 141 over S Br Beaver Creek | 1999 | 7,400 | Good |
| Lrd Hattie St over Menominee River | 1976 | 7,200 | Fair |
All bridges nearby: Marinette County, WI bridge conditions · every bridge in Marinette County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.