Foster Arbor Rd over Topy Creek
Bienville Parish, Louisiana · rated Fair in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Foster Arbor Rd over Topy Creek in Bienville Parish, Louisiana, is rated in fair condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, 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 100 vehicles a day (traffic count year 2020).
- Its listed owner is the county highway agency.
- It is one of 100 of the 190 inventoried bridges in Bienville Parish rated fair (52.6%); 53 (27.9%) are rated poor.
- Its traffic status in the 2025 inventory is posted for load (NBI item 41).
- Its condition class and component ratings are unchanged from the 2024 inventory.
- Its most recent inspection on record is dated May 2023, on a 24-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- 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 → (32.1594, -93.16428)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 7 | 7 | Good condition |
| Superstructure | 6 | 6 | Satisfactory condition |
| Substructure | 5 | 5 | Fair condition |
Bridge details
| Structure | Timber stringer or multi-beam girder |
| Length | about 59 ft |
| Location | 3.0 Mi. West of La 1 |
| NBI structure number | 040732095930981 |
| Condition class | Fair |
| Traffic status (item 41) | Posted for load |
| Last inspection (item 90) | May 2023 |
| Inspection interval (item 91) | 24 months |
| Scour (item 113) | 3: scour critical: foundations unstable for the assessed or calculated scour |
Source: FHWA National Bridge Inventory, 2025 data as reported by the Louisiana department of transportation.
Busiest bridges in Bienville Parish
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I0020 over Black Lake Bayou | 1960 | 37,514 | Fair |
| I0020 over Black Lake Bayou | 1960 | 37,514 | Fair |
| I0020 over Crows CR Relief | 1960 | 37,514 | Fair |
| I0020 over Crows CR Relief | 1960 | 37,514 | Poor |
| I0020 over Bear CR Relief | 1964 | 37,514 | Fair |
| I0020 over Bear CR Relief | 1964 | 37,514 | Fair |
All bridges nearby: Bienville Parish, LA bridge conditions · every bridge in Bienville Parish · Louisiana bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.