US Bridges

EB 20th ST over S Platte River

Fair

Denver County, Colorado · E of I-25 at S Platte Riv · Structure no. D-03-V-051

Built
1994
31 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
273 ft
3 main spans
Daily traffic
11,726
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

EB 20th ST over S Platte River is a steel continuous box beam or girders - single or spread carrying EB 20th ST over S Platte River in Denver County, Colorado. It was built in 1994, so it is 31 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 11,726 vehicles a day, roughly 5% of them trucks, projected to reach 13,016 by 2041. The structure is 273 ft (83.3 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesEB 20th ST
CrossesS Platte River
LocationE of I-25 at S Platte Riv
RouteCity Street 0
CountyDenver County
StateColorado
Coordinates39.76077, -105.00343
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 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 alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating28.2 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length273 ft (83.3 m)
Longest span206 ft (62.8 m)
Deck width45 ft (13.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,726 (2021)
Projected traffic13,016 by 2041
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was EB 20th ST over S Platte River built?

It was built in 1994, making it 31 years old in 2025.

What condition is EB 20th ST over S 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 EB 20th ST over S Platte River carry?

About 11,726 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is EB 20th ST over S Platte River?

The structure is 273 ft (83.3 m) long with a longest span of 206 ft (62.8 m) and a deck 45 ft wide.

Who owns EB 20th ST over S Platte River?

It is owned by the City or Municipal Highway Agency.