Sth 78 over Blums Creek
FairDane County, Wisconsin · 0.6M N JCT Cth Y · Structure no. B13003600000000
- Built
- 1952
- 73 years old, rebuilt 1993
- Condition
- Fair
- inspected February 2025
- Type
- Slab
- Concrete
- Length
- 28 ft
- 1 main span
- Daily traffic
- 6,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Sth 78 over Blums Creek is a concrete slab carrying Sth 78 over Blums Creek in Dane County, Wisconsin. It was built in 1952 and reconstructed in 1993, so it is 73 years old, older than the Wisconsin average of 40.3 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 6,000 vehicles a day, roughly 6% of them trucks, projected to reach 7,200 by 2042. The structure is 28 ft (8.4 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Sth 78 over Blums Creek built?
It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1993.
What condition is Sth 78 over Blums Creek 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 February 2025.
How much traffic does Sth 78 over Blums Creek carry?
About 6,000 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is Sth 78 over Blums Creek?
The structure is 28 ft (8.4 m) long with a longest span of 26 ft (8 m) and a deck 38 ft wide.
Who owns Sth 78 over Blums Creek?
It is owned by the State Highway Agency.