US Bridges

EB6 Rmp. to I25 SB over Ramp to I 25 Sbnd R

Fair

Denver County, Colorado · I25/US6 Intchng in Denver · Structure no. F-16-OE

Built
1987
38 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
539 ft
4 main spans
Daily traffic
107,500
2020 count
Owner
State
State Highway Agency

About this bridge

EB6 Rmp. to I25 SB over Ramp to I 25 Sbnd R is a prestressed concrete continuous box beam or girders - multiple carrying EB6 Rmp. to I25 SB over Ramp to I 25 Sbnd R in Denver County, Colorado. It was built in 1987, so it is 38 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 107,500 vehicles a day, roughly 6% of them trucks, projected to reach 123,625 by 2040. The structure is 539 ft (164.3 m) long and 41 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEB6 Rmp. to I25 SB
CrossesRamp to I 25 Sbnd R
LocationI25/US6 Intchng in Denver
RouteInterstate 25A
Coordinates39.72436, -105.01508
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.9 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckOther
Main spans4
Design loadHS 20
Structure length539 ft (164.3 m)
Longest span150 ft (45.7 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic107,500 (2020)
Projected traffic123,625 by 2040
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 EB6 Rmp. to I25 SB over Ramp to I 25 Sbnd R built?

It was built in 1987, making it 38 years old in 2025.

What condition is EB6 Rmp. to I25 SB over Ramp to I 25 Sbnd R 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 June 2023.

How much traffic does EB6 Rmp. to I25 SB over Ramp to I 25 Sbnd R carry?

About 107,500 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is EB6 Rmp. to I25 SB over Ramp to I 25 Sbnd R?

The structure is 539 ft (164.3 m) long with a longest span of 150 ft (45.7 m) and a deck 41 ft wide.

Who owns EB6 Rmp. to I25 SB over Ramp to I 25 Sbnd R?

It is owned by the State Highway Agency.