Dartmouth Ave over South Platte River
FairArapahoe County, Colorado · .3 MI W of Santa Fe · Structure no. ENGLWD-DAPR
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected April 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 250 ft
- 4 main spans
- Daily traffic
- 14,722
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Dartmouth Ave over South Platte River is a prestressed concrete tee beam carrying Dartmouth Ave over South Platte River in Arapahoe County, Colorado. It was built in 1965, so it is 60 years old, older than the Colorado average of 42.2 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 14,722 vehicles a day, roughly 6% of them trucks, projected to reach 17,961 by 2041. The structure is 250 ft (76.2 m) long and 54 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Dartmouth Ave over South Platte River built?
It was built in 1965, making it 60 years old in 2025.
What condition is Dartmouth Ave over South Platte 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 April 2024.
How much traffic does Dartmouth Ave over South Platte River carry?
About 14,722 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is Dartmouth Ave over South Platte River?
The structure is 250 ft (76.2 m) long with a longest span of 61 ft (18.6 m) and a deck 54 ft wide.
Who owns Dartmouth Ave over South Platte River?
It is owned by the City or Municipal Highway Agency.