Mississippi Ave over South Platte River
FairDenver County, Colorado · Mississippi at Santa Fe · Structure no. D-02-PR-220
- Built
- 1953
- 72 years old, rebuilt 1992
- Condition
- Fair
- inspected October 2024
- Type
- Box Beam or Girders - Single or Spread
- Prestressed Concrete
- Length
- 202 ft
- 4 main spans
- Daily traffic
- 17,385
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Mississippi Ave over South Platte River is a prestressed concrete box beam or girders - single or spread carrying Mississippi Ave over South Platte River in Denver County, Colorado. It was built in 1953 and reconstructed in 1992, so it is 72 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 17,385 vehicles a day, roughly 6% of them trucks, projected to reach 19,297 by 2041. The structure is 202 ft (61.6 m) long and 103 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Mississippi Ave over South Platte River built?
It was built in 1953, making it 72 years old in 2025. It was reconstructed in 1992.
What condition is Mississippi 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 October 2024.
How much traffic does Mississippi Ave over South Platte River carry?
About 17,385 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is Mississippi Ave over South Platte River?
The structure is 202 ft (61.6 m) long with a longest span of 49 ft (14.9 m) and a deck 103 ft wide.
Who owns Mississippi Ave over South Platte River?
It is owned by the City or Municipal Highway Agency.