175TH Rd over Branch
Putnam County, Missouri · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 175TH Rd over Branch in Putnam County, Missouri, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 0 (failed condition, out of service) on the 0-9 scale.
- It was built in 1920, making it 105 years old at the 2025 inventory.
- It carries about 5 vehicles a day (traffic count year 2024).
- Its listed owner is the county highway agency.
- It is one of 32 of the 214 inventoried bridges in Putnam County rated poor (15.0%); 32 (15.0%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated January 2025, on a 12-month routine inspection cycle.
- 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 → (40.53831, -93.23236)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 0 | 0 | Failed condition, out of service |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 6 | 6 | Satisfactory condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 29 ft |
| Location | S 11 T 66 N R 21 W |
| NBI structure number | 12792 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | January 2025 |
| Inspection interval (item 91) | 12 months |
| Scour (item 113) | 5: foundations stable, scour within the limits of the footing or piles |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Putnam County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 5 S over Blackbird CR | 2010 | 1,494 | Good |
| US 136 W over E Locust CR | 2010 | 1,492 | Good |
| US 136 E over Tanyard Br | 1931 | 1,492 | Fair |
| US 136 E over Barber CR | 2002 | 1,247 | Fair |
| US 136 E over Old Chariton Rvr | 2008 | 1,183 | Fair |
| US 136 E over Shoal CR | 1966 | 1,146 | Good |
All bridges nearby: Putnam County, MO bridge conditions · every bridge in Putnam County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.