Mo 161 S over Elkhorn CR
Montgomery County, Missouri · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mo 161 S over Elkhorn CR in Montgomery County, Missouri, 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 2012, making it 13 years old at the 2025 inventory.
- It carries about 1,386 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 103 of the 164 inventoried bridges in Montgomery County rated fair (62.8%); 12 (7.3%) are rated poor.
- 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 → (38.98076, -91.47577)
Component ratings
| Component | Rating (2025) | FHWA scale meaning |
|---|---|---|
| Deck | 6 | Satisfactory condition |
| Superstructure | 7 | Good condition |
| Substructure | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete single box beam |
| Length | about 115 ft |
| Location | S 28 T 49 N R 5 W |
| NBI structure number | 34017 |
| Condition class | Fair |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Montgomery County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 70 W over Loutre Rvr | 2019 | 18,267 | Good |
| Is 70 E over Loutre Rvr | 2021 | 18,079 | Good |
| Mo 19 S over Is 70 | 2023 | 8,732 | Good |
| Mo 19 S over Missouri Rvr UP RR | 2005 | 5,944 | Fair |
| Mo 19 S over Loutre Rvr | 1995 | 5,944 | Good |
| Mo 19 N over NS RR | 2015 | 4,424 | Fair |
All bridges nearby: Montgomery County, MO bridge conditions · every bridge in Montgomery County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.