S.W. 37TH. St. 92 over Blacksmith Creek
Shawnee County, Kansas · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S.W. 37TH. St. 92 over Blacksmith Creek in Shawnee County, Kansas, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1950, making it 75 years old at the 2025 inventory.
- It carries about 200 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 189 of the 564 inventoried bridges in Shawnee County rated fair (33.5%); 18 (3.2%) 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 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 → (38.99981, -95.84071)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 6 | 6 | Satisfactory condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 25 ft |
| Location | 6.0N 1.3W Auburn |
| NBI structure number | 000890979704380 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | August 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 4: foundations stable, field review says exposed foundations need protection |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Kansas department of transportation.
Busiest bridges in Shawnee County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I70 Hwy Nl-sl over Danbury Lane | 1956 | 29,178 | Fair |
| I-70 Hwy EB over Gage Blvd | 1993 | 24,375 | Good |
| I-70 Hwy WB over Gage Blvd | 1993 | 24,375 | Good |
| NB US-75 Hwy over Kansas River UP RR | 1955 | 23,650 | Good |
| US75 Hwy W Lane SB over Kansas River UP RR | 1977 | 23,650 | Fair |
| U75 (E 70 to N 75) over N-s Lanes I70 | 1977 | 23,650 | Fair |
All bridges nearby: Shawnee County, KS bridge conditions · every bridge in Shawnee County · Kansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.