Ih Ush51-ih39 NB over Cth East Second St/cth J
Marquette County, Wisconsin · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Ih Ush51-ih39 NB over Cth East Second St/cth J in Marquette 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 1987, making it 38 years old at the 2025 inventory.
- It carries about 6,400 vehicles a day (traffic count year 2021).
- Its listed owner is the state highway agency.
- It is one of 47 of the 81 inventoried bridges in Marquette County rated fair (58.0%); 5 (6.2%) 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, substructure 7 to 6).
- Its most recent inspection on record is dated May 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 → (43.88528, -89.48285)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 6 | Satisfactory condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 6 | Satisfactory condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 163 ft |
| Location | 6.5M N Jct Sth 82 |
| NBI structure number | B39003000000000 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Wisconsin department of transportation.
Busiest bridges in Marquette County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Ih Ush 51-ih 39 over Chapman Creek | 1985 | 17,800 | Fair |
| Ih Ush51-ih39 NB over Cth O | 1983 | 15,800 | Fair |
| Ih Ush51-ih39 SB over Cth O | 1983 | 15,800 | Fair |
| Ih Ush 51 - Ih 39 over Sth 23/82 EB & WB | 2016 | 14,700 | Good |
| Ih Ush51-ih39 NB over Lrd Dover Court | 1987 | 13,000 | Good |
| Ih Ush51-ih39 SB over Lrd Fawn Ave | 1966 | 12,800 | Fair |
All bridges nearby: Marquette County, WI bridge conditions · every bridge in Marquette County · Wisconsin bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.