I-40-sec 21-wb Lns over Middle Fk Horsehead Cr.
Johnson County, Arkansas · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- I-40-sec 21-wb Lns over Middle Fk Horsehead Cr. in Johnson County, Arkansas, is rated in good condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the superstructure, rated 7 (good condition) on the 0-9 scale.
- It was built in 1968, making it 57 years old at the 2025 inventory.
- It carries about 12,000 vehicles a day (traffic count year 2018).
- Its listed owner is the state highway agency.
- It is one of 71 of the 162 inventoried bridges in Johnson County rated good (43.8%); 3 (1.9%) 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 March 2022, 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 → (35.49681, -93.6352)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 8 | 8 | Very good condition |
| Superstructure | 7 | 7 | Good condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 217 ft |
| Location | 1.44 Mi E of SH 164 |
| NBI structure number | 0000000000A5039 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | March 2022 |
| Inspection interval (item 91) | 48 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 Arkansas department of transportation.
Busiest bridges in Johnson County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I - 40 over Creek | 1965 | 27,266 | Good |
| I - 40 over Creek | 1965 | 26,000 | Fair |
| I-40 WB Lns over Spadra Creek | 2003 | 15,000 | Fair |
| I 40 EB Lanes over Spadra Creek | 2003 | 15,000 | Good |
| I 40 WB Lns over Little Spadra Creek | 2003 | 13,500 | Good |
| I-40 - Sec 21 WB over US 64 - Sec 5 | 2003 | 13,500 | Good |
All bridges nearby: Johnson County, AR bridge conditions · every bridge in Johnson County · Arkansas bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.