S.h. 20 over Grand River
Fair Condition63 years old6,300 vehicles/day
Location
| State | Oklahoma |
| County | Mayes |
| Location | 1.0 Mi W Jct SH 82 |
| Carries | S.h. 20 |
| Crosses | Grand River |
| Coordinates | 36.29432, -95.16580 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 1200.1 ft (365.8 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 65.9 ft (20.1 m) |
| Deck Area | 7352.6 sq m |
| Main Spans | 12 |
| Year Built | 1963 (reconstructed 1999) |
Traffic
| Avg Daily Traffic | 6,300 (2022) |
| Truck Traffic | 16% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 158690000000000 |