Rt A S over Allen Br
Scotland County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Rt A S over Allen Br in Scotland County, Missouri, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 2015, making it 10 years old at the 2025 inventory.
- It carries about 514 vehicles a day (traffic count year 2024).
- Its listed owner is the state highway agency.
- It is one of 73 of the 198 inventoried bridges in Scotland County rated good (36.9%); 8 (4.0%) 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 October 2024, on a 48-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 → (40.44308, -92.0217)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 9 | 9 | Excellent condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Continuous prestressed concrete single box beam |
| Length | about 99 ft |
| Location | S 16 T 65 N R 10 W |
| NBI structure number | 35008 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | October 2024 |
| Inspection interval (item 91) | 48 months |
| Scour (item 113) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Missouri department of transportation.
Busiest bridges in Scotland County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 136 E over N Fabius Rvr | 1998 | 3,161 | Good |
| US 136 E over Old Chnl N Fabius | 1998 | 3,161 | Good |
| Mo 15 S over Forman/gunns Br | 2021 | 2,634 | Good |
| US 136 E over Dtch | 1924 | 2,338 | Fair |
| US 136 E over Foreman Br | 1947 | 2,338 | Fair |
| Mo 15 S over Wyaconda Rvr | 2021 | 2,003 | Good |
All bridges nearby: Scotland County, MO bridge conditions · every bridge in Scotland County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.