US Bridges

W 13th Avenue over S Platte Rvr | S Platte

Fair

Denver County, Colorado · Just West of Zuni Street · Structure no. D-02-PR-130A

Built
1988
37 years old
Condition
Fair
inspected January 2025
Type
Slab
Prestressed Concrete Continuous
Length
157 ft
3 main spans
Daily traffic
5,825
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

W 13th Avenue over S Platte Rvr | S Platte is a prestressed concrete continuous slab carrying W 13th Avenue over S Platte Rvr | S Platte in Denver County, Colorado. It was built in 1988, so it is 37 years old, younger 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 6 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 5,825 vehicles a day, roughly 4% of them trucks, projected to reach 6,466 by 2041. The structure is 157 ft (47.9 m) long and 48 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW 13th Avenue
CrossesS Platte Rvr | S Platte
LocationJust West of Zuni Street
RouteCity Street 0
Coordinates39.73682, -105.01762
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating110.1 US tons
Inventory rating52.2 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length157 ft (47.9 m)
Longest span51 ft (15.5 m)
Deck width48 ft (14.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,825 (2021)
Projected traffic6,466 by 2041
Trucks4%
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 W 13th Avenue over S Platte Rvr | S Platte built?

It was built in 1988, making it 37 years old in 2025.

What condition is W 13th Avenue over S Platte Rvr | S Platte 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 January 2025.

How much traffic does W 13th Avenue over S Platte Rvr | S Platte carry?

About 5,825 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is W 13th Avenue over S Platte Rvr | S Platte?

The structure is 157 ft (47.9 m) long with a longest span of 51 ft (15.5 m) and a deck 48 ft wide.

Who owns W 13th Avenue over S Platte Rvr | S Platte?

It is owned by the City or Municipal Highway Agency.