Ia 27 NB over Des Moines River
FairLee County, Iowa · St. Francis Border Bridge · Structure no. 000000000609990
- Built
- 2002
- 23 years old
- Condition
- Fair
- inspected August 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 907 ft
- 8 main spans
- Daily traffic
- 3,600
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 27 NB over Des Moines River is a prestressed concrete tee beam carrying Ia 27 NB over Des Moines River in Lee County, Iowa. It was built in 2002, so it is 23 years old, younger 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 3,600 vehicles a day, roughly 32% of them trucks, projected to reach 3,600 by 2043. The structure is 907 ft (276.5 m) long and 41 ft wide.
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 27 NB over Des Moines River built?
It was built in 2002, making it 23 years old in 2025.
What condition is Ia 27 NB over Des Moines River 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 August 2023.
How much traffic does Ia 27 NB over Des Moines River carry?
About 3,600 vehicles per day (2022 count), of which roughly 32% are trucks.
How long is Ia 27 NB over Des Moines River?
The structure is 907 ft (276.5 m) long with a longest span of 113 ft (34.4 m) and a deck 41 ft wide.
Who owns Ia 27 NB over Des Moines River?
It is owned by the State Highway Agency.