Tr 231 A over Brockett Creek
Effingham County, Illinois · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Tr 231 A over Brockett Creek in Effingham County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the culvert, rated 8 (very good condition) on the 0-9 scale.
- It was built in 2009, making it 16 years old at the 2025 inventory.
- It carries about 175 vehicles a day (traffic count year 2023).
- Its listed owner is a town or township highway agency.
- It is one of 121 of the 254 inventoried bridges in Effingham County rated good (47.6%); 12 (4.7%) 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 December 2024, 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 → (39.00161, -88.72425)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Culvert | 8 | 8 | Very good condition |
Bridge details
| Structure | Aluminum or iron culvert |
| Length | about 23 ft |
| Location | 4 Mi SE Altamont |
| NBI structure number | 025332000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | December 2024 |
| Inspection interval (item 91) | 24 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 Illinois department of transportation.
Busiest bridges in Effingham County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| Fai-70 over Second Salt Ck | 1960 | 25,800 | Fair |
| Fap-774 (il-32/33) over Fai-70 | 1959 | 23,900 | Fair |
| Fai-70 over Big Creek | 1962 | 23,900 | Fair |
| Fai-70 over Coon Creek | 1961 | 23,700 | Fair |
| FAI57 SB / 70 WB over US 45 & Cn RR | 2015 | 22,500 | Fair |
| Fai 57 NB / 70 EB over US 45 & Cn RR | 2015 | 22,500 | Fair |
All bridges nearby: Effingham County, IL bridge conditions · every bridge in Effingham County · Illinois bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.