Howe Road over Little Calumet River
Porter County, Indiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Howe Road over Little Calumet River in Porter County, Indiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the deck, rated 5 (fair condition) on the 0-9 scale.
- It was built in 1975, making it 50 years old at the 2025 inventory.
- It carries about 160 vehicles a day (traffic count year 2018).
- Its listed owner is the county highway agency.
- It is one of 151 of the 279 inventoried bridges in Porter County rated fair (54.1%); 13 (4.7%) 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 May 2024, on a 24-month routine inspection cycle.
- A fair rating means the lowest-rated major component scores 5 or 6 on FHWA's 0-9 scale: some deterioration or minor section loss, but the structure is sound. It is the middle class, not a warning.
View this bridge on a map → (41.62246, -87.09461)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 5 | 5 | Fair condition |
| Superstructure | 5 | 5 | Fair condition |
| Substructure | 7 | 7 | Good condition |
Bridge details
| Structure | Prestressed concrete multiple box beam |
| Length | about 77 ft |
| Location | 00.50 SE Oak Hill Rd |
| NBI structure number | 6400129 |
| Condition class | Fair |
| Traffic status (item 41) | Open, no restriction |
| Last inspection (item 90) | May 2024 |
| 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 Indiana department of transportation.
Busiest bridges in Porter County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-94 EB over US 20 Willow CR CSX RR | 1966 | 83,652 | Good |
| I-94 EB over NS RR | 1969 | 80,516 | Fair |
| I-94 EB over Beam Street | 1969 | 80,516 | Fair |
| I-94 WB over Little Calumet River | 1969 | 80,516 | Good |
| I-94 EB over Jensen Dr | 1968 | 70,574 | Fair |
| I-94 EB over CSX RR | 1969 | 57,732 | Fair |
All bridges nearby: Porter County, IN bridge conditions · every bridge in Porter County · Indiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.