52ND Ave over Milan Beltway
Rock Island County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- 52ND Ave over Milan Beltway in Rock Island County, Illinois, 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 2006, making it 19 years old at the 2025 inventory.
- It carries about 12,100 vehicles a day (traffic count year 2020).
- Its listed owner is the state highway agency.
- It is one of 125 of the 272 inventoried bridges in Rock Island County rated good (46.0%); 13 (4.8%) are rated poor.
- Its traffic status in the 2025 inventory is open, no restriction (NBI item 41).
- Its class is unchanged from 2024 (good), but component ratings moved: superstructure 8 to 7, substructure 8 to 7.
- 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 → (41.46804, -90.53626)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 8 | 7 | Good condition |
| Substructure | 8 | 7 | Good condition |
Bridge details
| Structure | Continuous steel stringer or multi-beam girder |
| Length | about 201 ft |
| Location | .04MI S John Deer Rd |
| NBI structure number | 081015600000000 |
| 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) | N: not over a waterway |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.
Busiest bridges in Rock Island County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I 74 EB over Mississippi River | 2021 | 39,050 | Good |
| I 74 WB over Mississippi River | 2020 | 39,050 | Good |
| Il 5 WB (j Deere R over Fai 74 | 1970 | 38,900 | Poor |
| Il 5 EB (j Deere R over Fai 74 | 1970 | 38,900 | Fair |
| Fai 80 over Miss R Ill 84 & RR | 1967 | 32,200 | Fair |
| IL5 over Creek | 2012 | 32,100 | Good |
All bridges nearby: Rock Island County, IL bridge conditions · every bridge in Rock Island County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.