S.H. 48A over Big Sandy Creek
Johnston County, Oklahoma · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- S.H. 48A over Big Sandy Creek in Johnston County, Oklahoma, 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 1973 and reconstructed in 2019, making it 52 years old at the 2025 inventory.
- It carries about 916 vehicles a day (traffic count year 2022).
- Its listed owner is the state highway agency.
- It is one of 54 of the 154 inventoried bridges in Johnston County rated good (35.1%); 6 (3.9%) 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: deck 9 to 7.
- Its most recent inspection on record is dated May 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 → (34.27441, -96.48251)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 9 | 7 | Good condition |
| Superstructure | 9 | 9 | Excellent condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete stringer or multi-beam girder |
| Length | about 150 ft |
| Location | 3.4 Mi W Jct SH48 |
| NBI structure number | 184830000000000 |
| Condition class | Good |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 7: scour countermeasures installed |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Oklahoma department of transportation.
Busiest bridges in Johnston County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| S.H. 22 over Pennington Creek | 1954 | 7,000 | Fair |
| S.H. 22 over Sand Creek | 1964 | 4,100 | Good |
| S.H. 22 over Rock Creek | 1964 | 3,700 | Fair |
| S.H. 22 over Little Sandy Creek | 1975 | 3,700 | Fair |
| S.H. 22 over Big Sandy Creek | 1975 | 3,700 | Fair |
| S.H. 199 over Camp Creek | 1959 | 3,500 | Fair |
All bridges nearby: Johnston County, OK bridge conditions · every bridge in Johnston County · Oklahoma bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.