US Bridges

SW Ramp to Sbnd S. over S. Santa Fe Dr/Us 85

Fair

Denver County, Colorado · 0.75 Miles South of West · Structure no. F-16-PO

Built
1986
39 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete Continuous
Length
104 ft
2 main spans
Daily traffic
38,000
2020 count
Owner
State
State Highway Agency

About this bridge

SW Ramp to Sbnd S. over S. Santa Fe Dr/Us 85 is a prestressed concrete continuous box beam or girders - multiple carrying SW Ramp to Sbnd S. over S. Santa Fe Dr/Us 85 in Denver County, Colorado. It was built in 1986, so it is 39 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 38,000 vehicles a day, roughly 8% of them trucks, projected to reach 45,980 by 2040. The structure is 104 ft (31.7 m) long and 47 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSW Ramp to Sbnd S.
CrossesS. Santa Fe Dr/Us 85
Location0.75 Miles South of West
RouteU.S. Route 85B
Coordinates39.67797, -104.9939
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 inspectionOctober 2024
Inspection intervalevery 48 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 rating63.4 US tons
Inventory rating38 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span79 ft (24 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,000 (2020)
Projected traffic45,980 by 2040
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 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 SW Ramp to Sbnd S. over S. Santa Fe Dr/Us 85 built?

It was built in 1986, making it 39 years old in 2025.

What condition is SW Ramp to Sbnd S. over S. Santa Fe Dr/Us 85 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 SW Ramp to Sbnd S. over S. Santa Fe Dr/Us 85 carry?

About 38,000 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is SW Ramp to Sbnd S. over S. Santa Fe Dr/Us 85?

The structure is 104 ft (31.7 m) long with a longest span of 79 ft (24 m) and a deck 47 ft wide.

Who owns SW Ramp to Sbnd S. over S. Santa Fe Dr/Us 85?

It is owned by the State Highway Agency.