US Bridges

Florida Ave over South Platte River

Fair

Denver County, Colorado · Just E of S Platte Riv DR · Structure no. D-02-PR-250

Built
1956
69 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
163 ft
2 main spans
Daily traffic
8,951
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Florida Ave over South Platte River is a prestressed concrete stringer/multi-beam or girder carrying Florida Ave over South Platte River in Denver County, Colorado. It was built in 1956, so it is 69 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 8,951 vehicles a day, roughly 6% of them trucks, projected to reach 9,935 by 2041. The structure is 163 ft (49.7 m) long and 60 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFlorida Ave
CrossesSouth Platte River
LocationJust E of S Platte Riv DR
RouteCity Street 0
Coordinates39.68912, -104.99982
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.6 US tons
Inventory rating24.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length163 ft (49.7 m)
Longest span78 ft (23.8 m)
Deck width60 ft (18.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,951 (2021)
Projected traffic9,935 by 2041
Trucks6%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Florida Ave over South Platte River built?

It was built in 1956, making it 69 years old in 2025.

What condition is Florida 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 Florida Ave over South Platte River carry?

About 8,951 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Florida Ave over South Platte River?

The structure is 163 ft (49.7 m) long with a longest span of 78 ft (23.8 m) and a deck 60 ft wide.

Who owns Florida Ave over South Platte River?

It is owned by the City or Municipal Highway Agency.