Inspection plan for road structures
Inspection plan for road structures
Based on the provisions of ministerial ordinances and notifications on maintenance and repairs (Road Law Enforcement Regulations, enforced on July 1, 2014), bridges, tunnels and sheds / large culverts, pedestrian crossings, gate-shaped signs, etc. )), The NEXCO CENTRAL Jurisdiction has established an inspection plan for the next five years.
Target structure
Bridge
tunnel
Road accessories (shed)
Road accessories (large culverts)
Road accessories (pedestrian crossing)
Road accessories (gate signs, etc.)
| Road facilities | unit | Inspection plan | |||||
|---|---|---|---|---|---|---|---|
| H26 | H27 | H28 | H29 | H30 | total | ||
| Bridge | bridge | 384 | 860 | 1,161 | 959 | 1,032 | 4,396 |
| tunnel | Location | 2 | 70 | 93 | 90 | 120 | 375 |
| Road accessories | Facility | 328 | 581 | 490 | 463 | 600 | 2,462 |
* Subject to change after consultation with related parties
* In addition to the above, there are 1,171 culverts managed by our company
Inspection results of road structures
NEXCO CENTRAL The results of inspections conducted in 2014 for bridges, tunnels, road attachments, etc. in the jurisdiction are summarized.
| Road facilities | unit | Number of managed facilities | Number of inspections performed | Inspection rate | Judgment category | |||
|---|---|---|---|---|---|---|---|---|
| Ⅰ | Ⅱ | Ⅲ | Ⅳ | |||||
| Bridge | bridge | 4,396 | 379 | 9% | 3 | 296 | 80 | 0 |
| tunnel | Location | 375 | 2 | 1% | 1 | 1 | 0 | 0 |
| Road accessories | Facility | 2,462 | 344 | 14% | 200 | 137 | 7 | 0 |
* In addition to the above, the number of inspections conducted on Mizo Bridge is 128 (Ⅰ: 13; Ⅱ: 115)
The inspection results of the soundness of bridges and tunnels are classified into the following four stages.
| Division | Status | ||
|---|---|---|---|
| Ⅰ | Healthy | The state where the function of the structure is not hindered. | |
| Ⅱ | Preventive maintenance stage | There is no problem with the function of the structure, but it is desirable to take measures from the viewpoint of preventive maintenance. | |
| Ⅲ | Early action stage | A condition in which the function of the structure may be impaired and measures must be taken early. | |
| Ⅳ | Emergency action stage | A condition in which the function of the structure is or is very likely to occur and urgent action must be taken. | |
Document
- Road maintenance meeting * Go to the website of the Ministry of Land, Infrastructure, Transport and Tourism
- Road maintenance annual report * Go to the website of the Ministry of Land, Infrastructure, Transport and Tourism
- Inspection results by management facility (breakdown)
