US 71 over BNSF RR
FairMontgomery County, Iowa · 0.9 Mi. South of SR N-46 · Structure no. 000000000037621
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 284 ft
- 4 main spans
- Daily traffic
- 1,640
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 71 over BNSF RR is a prestressed concrete stringer/multi-beam or girder carrying US 71 over BNSF RR in Montgomery County, Iowa. It was built in 1972, so it is 53 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,640 vehicles a day, roughly 24% of them trucks, projected to reach 1,640 by 2044. The structure is 284 ft (86.6 m) long and 47 ft wide. If it were closed, the detour would be 3.1 mi (5 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 71 over BNSF RR built?
It was built in 1972, making it 53 years old in 2025.
What condition is US 71 over BNSF RR in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.
How much traffic does US 71 over BNSF RR carry?
About 1,640 vehicles per day (2022 count), of which roughly 24% are trucks.
How long is US 71 over BNSF RR?
The structure is 284 ft (86.6 m) long with a longest span of 77 ft (23.5 m) and a deck 47 ft wide.
Who owns US 71 over BNSF RR?
It is owned by the State Highway Agency.