US Bridges

Ramp to US 36 WB over I 25 Sbml Hov Lanes

Fair

Adams County, Colorado · Ramp R over I 25 · Structure no. E-17-QN

Built
1998
27 years old
Condition
Fair
inspected July 2023
Type
Box Beam or Girders - Single or Spread
Steel Continuous
Length
314 ft
2 main spans
Daily traffic
72,000
2020 count
Owner
State
State Highway Agency

About this bridge

Ramp to US 36 WB over I 25 Sbml Hov Lanes is a steel continuous box beam or girders - single or spread carrying Ramp to US 36 WB over I 25 Sbml Hov Lanes in Adams County, Colorado. It was built in 1998, so it is 27 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 72,000 vehicles a day, roughly 2% of them trucks, projected to reach 90,000 by 2040. The structure is 314 ft (95.8 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRamp to US 36 WB
CrossesI 25 Sbml Hov Lanes
LocationRamp R over I 25
RouteU.S. Route 36B
Coordinates39.82781, -104.98361
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.1 US tons
Inventory rating22.3 US tons

Structure

MaterialSteel Continuous
DeckOther
Main spans2
Design loadHS 20 + Mod
Structure length314 ft (95.8 m)
Longest span160 ft (48.8 m)
Deck width48 ft (14.7 m)
Roadway width45 ft (13.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic72,000 (2020)
Projected traffic90,000 by 2040
Trucks2%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 Ramp to US 36 WB over I 25 Sbml Hov Lanes built?

It was built in 1998, making it 27 years old in 2025.

What condition is Ramp to US 36 WB over I 25 Sbml Hov Lanes 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 July 2023.

How much traffic does Ramp to US 36 WB over I 25 Sbml Hov Lanes carry?

About 72,000 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Ramp to US 36 WB over I 25 Sbml Hov Lanes?

The structure is 314 ft (95.8 m) long with a longest span of 160 ft (48.8 m) and a deck 48 ft wide.

Who owns Ramp to US 36 WB over I 25 Sbml Hov Lanes?

It is owned by the State Highway Agency.