US Bridges

19th ST over South Platte River

Good

Denver County, Colorado · 19th ST at Platte River · Structure no. D-02-PR-062

Built
1992
33 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
206 ft
2 main spans
Daily traffic
4,342
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

19th ST over South Platte River is a prestressed concrete continuous stringer/multi-beam or girder carrying 19th ST over South Platte River in Denver County, Colorado. It was built in 1992, so it is 33 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,342 vehicles a day, roughly 6% of them trucks, projected to reach 4,819 by 2041. The structure is 206 ft (62.7 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries19th ST
CrossesSouth Platte River
Location19th ST at Platte River
RouteCity Street 0
Coordinates39.7602, -105.00386
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.4 US tons
Inventory rating44 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length206 ft (62.7 m)
Longest span103 ft (31.4 m)
Deck width52 ft (15.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,342 (2021)
Projected traffic4,819 by 2041
Trucks6%
Lanes on structure2
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 19th ST over South Platte River built?

It was built in 1992, making it 33 years old in 2025.

What condition is 19th ST over South Platte River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does 19th ST over South Platte River carry?

About 4,342 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is 19th ST over South Platte River?

The structure is 206 ft (62.7 m) long with a longest span of 103 ft (31.4 m) and a deck 52 ft wide.

Who owns 19th ST over South Platte River?

It is owned by the City or Municipal Highway Agency.