Cth N (dead End) over Br Mccartney Branch
Grant County, Wisconsin · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Cth N (dead End) over Br Mccartney Branch in Grant County, Wisconsin, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 4 (poor condition) on the 0-9 scale.
- It was built in 1890, making it 135 years old at the 2025 inventory.
- It carries about 240 vehicles a day (traffic count year 2022).
- Its listed owner is the county highway agency.
- It is one of 16 of the 381 inventoried bridges in Grant County rated poor (4.2%); 16 (4.2%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated August 2024, on a 12-month routine inspection cycle.
- It has fracture-critical members (NBI item 92A): steel tension members without a redundant load path, which get their own scheduled inspections.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (42.68256, -90.85111)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 4 | 4 | Poor condition |
Bridge details
| Structure | Steel girder and floorbeam |
| Length | about 27 ft |
| Location | 1.8 M S Jct Sth 133 |
| NBI structure number | P22029000000000 |
| Condition class | Poor |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
| Fracture critical (item 92A) | Yes |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Grant County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ush 61/151 Sb-sth over Ush 61/151 NB on Ramp (E | 2015 | 15,500 | Good |
| Ush 61-ush 151 over Mississippi River 01 | 1982 | 12,700 | Fair |
| Ush 151 over Roundtree Branch Creek | 2005 | 9,495 | Good |
| Ush 151 NB over Lrd Mc Adam Rd | 2005 | 8,100 | Good |
| Ush 151 SB over Lrd Mc Adam Rd | 2005 | 8,100 | Good |
| Ush 151 NB over Mcadam Br | 2006 | 8,100 | Good |
All bridges nearby: Grant County, WI bridge conditions · every bridge in Grant County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.