Lookout Mountain R over I 70 Ml
PoorJefferson County, Colorado · 4.3 MI E of JCT SH 74 · Structure no. F-15-AE
- Built
- 1970
- 55 years old
- Condition
- Poor
- inspected February 2024
- Type
- Box Beam or Girders - Single or Spread
- Concrete Continuous
- Length
- 237 ft
- 2 main spans
- Daily traffic
- 6,252
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
Lookout Mountain R over I 70 Ml is a concrete continuous box beam or girders - single or spread carrying Lookout Mountain R over I 70 Ml in Jefferson County, Colorado. It was built in 1970, so it is 55 years old, older than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 6,252 vehicles a day, roughly 3% of them trucks, projected to reach 7,190 by 2044. The structure is 237 ft (72.1 m) long and 47 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Lookout Mountain R over I 70 Ml built?
It was built in 1970, making it 55 years old in 2025.
What condition is Lookout Mountain R over I 70 Ml in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.
How much traffic does Lookout Mountain R over I 70 Ml carry?
About 6,252 vehicles per day (2024 count), of which roughly 3% are trucks.
How long is Lookout Mountain R over I 70 Ml?
The structure is 237 ft (72.1 m) long with a longest span of 120 ft (36.6 m) and a deck 47 ft wide.
Who owns Lookout Mountain R over I 70 Ml?
It is owned by the State Highway Agency.