Kilburn Bridge Rd over Gasconade Rvr
Webster County, Missouri · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Kilburn Bridge Rd over Gasconade Rvr in Webster 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 1991, making it 34 years old at the 2025 inventory.
- It carries about 40 vehicles a day (traffic count year 2023).
- Its listed owner is the county highway agency.
- It is one of 86 of the 189 inventoried bridges in Webster County rated good (45.5%); 16 (8.5%) 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 April 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 → (37.4375, -92.76895)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 174 ft |
| Location | S 2 T 31 N R 17 W |
| NBI structure number | 17458 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | April 2023 |
| Inspection interval (item 91) | 24 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 Webster County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Is 44 E over Starvey CR | 1950 | 34,542 | Fair |
| Is 44 E over Niangua Rvr | 1950 | 33,769 | Fair |
| US 60 E over Rt Vv | 2015 | 21,352 | Good |
| Mo 38 E over Is 44 | 1968 | 18,452 | Fair |
| Is 44 W over E Fk Niangua Rvr | 2023 | 18,302 | Good |
| Is 44 W over Sarah Br | 2023 | 18,196 | Fair |
All bridges nearby: Webster County, MO bridge conditions · every bridge in Webster County · Missouri bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.