Calhoun CORD306 ZC over Blackwater Lakes
Calhoun County, Arkansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Calhoun CORD306 ZC over Blackwater Lakes in Calhoun County, Arkansas, 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 2015, making it 10 years old at the 2025 inventory.
- It carries about 46 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 55 of the 114 inventoried bridges in Calhoun County rated good (48.2%); 11 (9.6%) 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 June 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 → (33.46309, -92.67012)
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 | Concrete channel beam |
| Length | about 64 ft |
| Location | 0.5 Mi East CR 3 & 306 |
| NBI structure number | 000000000023715 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | June 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 Arkansas department of transportation.
Busiest bridges in Calhoun County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US167 S-4 LM17.76 over US 79-sec 5 | 1968 | 8,094 | Poor |
| US 167 over Ditch | 1935 | 4,500 | Good |
| US79 NB S5 LM4.60 over Champagnolle Creek | 1997 | 4,400 | Good |
| US 167 S-3 LM1.04 over Cobeen Brake | 2009 | 4,200 | Good |
| US 167 S-3 LM2.14 over Champagnolle Relief | 2009 | 4,200 | Good |
| US 167 S-3 LM4.22 over Bangs Slough | 2009 | 4,200 | Good |
All bridges nearby: Calhoun County, AR bridge conditions · every bridge in Calhoun County · Arkansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.