Danford RD over Big Ditch 109
FairPosted for loadYellowstone County, Montana · SW Billings · Structure no. L56527003+01001
- Built
- 1936
- 89 years old, rebuilt 1981
- Condition
- Fair
- inspected December 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 31 ft
- 1 main span
- Daily traffic
- 125
- 2023 count
- Owner
- County
- County Highway Agency
About this bridge
Danford RD over Big Ditch 109 is a steel stringer/multi-beam or girder carrying Danford RD over Big Ditch 109 in Yellowstone County, Montana. It was built in 1936 and reconstructed in 1981, so it is 89 years old, older than the Montana average of 47 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. Its operating status is: posted for load restriction.
It carries about 125 vehicles a day, roughly 3% of them trucks, projected to reach 132 by 2043. The structure is 31 ft (9.4 m) long and 36 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Danford RD over Big Ditch 109 built?
It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1981.
What condition is Danford RD over Big Ditch 109 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 December 2024.
How much traffic does Danford RD over Big Ditch 109 carry?
About 125 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Danford RD over Big Ditch 109?
The structure is 31 ft (9.4 m) long with a longest span of 29 ft (8.8 m) and a deck 36 ft wide.
Who owns Danford RD over Big Ditch 109?
It is owned by the County Highway Agency.