Mo 6 E over Imrl RR
Sullivan County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Mo 6 E over Imrl RR in Sullivan County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 7 (good condition) on the 0-9 scale.
- It was built in 1995, making it 30 years old at the 2025 inventory.
- It carries about 1,423 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 124 of the 221 inventoried bridges in Sullivan County rated good (56.1%); 16 (7.2%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated August 2023, on a 24-month routine inspection cycle.
- A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.
View this bridge on a map → (40.12863, -93.36601)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 8 | Very good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete stringer or multi-beam girder |
| Length | about 259 ft |
| Location | S 34 T 62 N R 22 W |
| NBI structure number | 4177 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | August 2023 |
| 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 Missouri department of transportation.
Busiest bridges in Sullivan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Mo 6 E over E Locust CR | 1996 | 2,425 | Good |
| Mo 6 E over W Yellow CR | 2008 | 2,153 | Good |
| Mo 6 E over Br West Yellow CR | 2019 | 2,153 | Good |
| Rt E E over Montgomery Br | 1969 | 1,700 | Fair |
| Rt E E over Locust CR | 1969 | 1,700 | Fair |
| Mo 6 E over Mussel Fk CR | 1932 | 1,512 | Fair |
All bridges nearby: Sullivan County, MO bridge conditions · every bridge in Sullivan County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.