SR 159 over Spencer Creek
Sullivan County, Indiana · rated Good in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- SR 159 over Spencer Creek in Sullivan County, Indiana, 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 1988, making it 37 years old at the 2025 inventory.
- It carries about 1,074 vehicles a day (traffic count year 2004).
- Its listed owner is the state highway agency.
- It is one of 65 of the 217 inventoried bridges in Sullivan County rated good (30.0%); 11 (5.1%) 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 → (38.97703, -87.26007)
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 | Continuous concrete slab |
| Length | about 68 ft |
| Location | 06.37 S SR 54 |
| NBI structure number | 028070 |
| 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) | 8: foundations stable, scour above the top of the footing |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Indiana department of transportation.
Busiest bridges in Sullivan County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| US 41 NB over Morrison Creek | 1968 | 8,757 | Fair |
| US 41 SB over Morrison Creek | 1952 | 8,757 | Fair |
| US 41 NB over Busseron Creek | 1972 | 6,687 | Poor |
| US 41 SB over Busseron Creek | 1953 | 6,687 | Fair |
| US 41 NB over Branch Buck Creek | 1973 | 6,126 | Good |
| US 41 SB over Branch Buck Creek | 1973 | 6,126 | Fair |
All bridges nearby: Sullivan County, IN bridge conditions · every bridge in Sullivan County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.