Local over North Skunk River
Jasper County, Iowa · rated Poor in the 2025 National Bridge Inventory
United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled
- Local over North Skunk River in Jasper County, Iowa, is rated in poor condition in the 2025 National Bridge Inventory (as of ).
- Its lowest-rated component is the substructure, rated 2 (critical condition) on the 0-9 scale.
- It was built in 1936, making it 89 years old at the 2025 inventory.
- It carries about 106 vehicles a day (traffic count year 2021).
- Its listed owner is the county highway agency.
- It is one of 108 of the 382 inventoried bridges in Jasper County rated poor (28.3%); 108 (28.3%) are rated poor.
- Its traffic status in the 2025 inventory is closed to all traffic (NBI item 41).
- Its class is unchanged from 2024 (poor), but component ratings moved: substructure 3 to 2.
- Status change: newly closed since 2024.
- Its most recent inspection on record is dated April 2024, on a 12-month routine inspection cycle.
- It is coded scour critical (NBI item 113 = 3): scour critical: foundations unstable for the assessed or calculated scour.
- A poor rating means at least one major component - deck, superstructure, or substructure - is rated 4 or lower on FHWA's 0-9 scale. It does not by itself mean the bridge is unsafe; bridges judged unsafe are closed or load-restricted by their owners.
View this bridge on a map → (41.75322, -92.97073)
Component ratings
| Component | Rating (2024) | Rating (2025) | FHWA scale meaning |
|---|---|---|---|
| Deck | 3 | 3 | Serious condition |
| Superstructure | 4 | 4 | Poor condition |
| Substructure | 3 | 2 | Critical condition |
Bridge details
| Structure | Steel stringer or multi-beam girder |
| Length | about 108 ft |
| Location | 080180806 |
| NBI structure number | 000000000197730 |
| Condition class | Poor |
| Traffic status (item 41) | Closed to all traffic |
| Last inspection (item 90) | April 2024 |
| Inspection interval (item 91) | 12 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 Iowa department of transportation.
Busiest bridges in Jasper County
| Bridge | Built | Vehicles/day | Condition |
|---|---|---|---|
| I-80 over Drainage Ditch | 1959 | 33,400 | Fair |
| I-80 over Elk Creek | 1961 | 30,500 | Fair |
| I-80 over Drainage Ditch | 1961 | 30,500 | Fair |
| EB I-80 over West 148TH St South | 1959 | 18,350 | Fair |
| EB I-80 over South Skunk River | 1960 | 18,350 | Fair |
| WB I-80 over West 148TH Street South | 1959 | 18,050 | Fair |
All bridges nearby: Jasper County, IA bridge conditions · every bridge in Jasper County · Iowa bridges.
Background: how bridge ratings work · what "poor" and "structurally deficient" actually mean · how often bridges are inspected.