Csah 30 over TH 77
FairDakota County, Minnesota · 0.7 MI S of JCT TH 13 · Structure no. 19053
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 345 ft
- 4 main spans
- Daily traffic
- 9,059
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Csah 30 over TH 77 is a prestressed concrete stringer/multi-beam or girder carrying Csah 30 over TH 77 in Dakota County, Minnesota. It was built in 1978, so it is 47 years old, older than the Minnesota average of 38.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 9,059 vehicles a day, projected to reach 8,800 by 2042. The structure is 345 ft (105.2 m) long and 92 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 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 Csah 30 over TH 77 built?
It was built in 1978, making it 47 years old in 2025.
What condition is Csah 30 over TH 77 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 July 2024.
How much traffic does Csah 30 over TH 77 carry?
About 9,059 vehicles per day (2022 count).
How long is Csah 30 over TH 77?
The structure is 345 ft (105.2 m) long with a longest span of 109 ft (33.2 m) and a deck 92 ft wide.
Who owns Csah 30 over TH 77?
It is owned by the State Highway Agency.