US Bridges

Ramp to I 25 Sbnd over Ramp to I 25 Nbnd R

Good

Denver County, Colorado · I25 US40 SH33 Intchng · Structure no. F-16-MX

Built
1988
37 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
135 ft
1 main span
Daily traffic
117,500
2020 count
Owner
State
State Highway Agency

About this bridge

Ramp to I 25 Sbnd over Ramp to I 25 Nbnd R is a prestressed concrete box beam or girders - multiple carrying Ramp to I 25 Sbnd over Ramp to I 25 Nbnd R 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 117,500 vehicles a day, roughly 6% of them trucks, projected to reach 138,650 by 2040. The structure is 135 ft (41.1 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesRamp to I 25 Sbnd
CrossesRamp to I 25 Nbnd R
LocationI25 US40 SH33 Intchng
RouteInterstate 25A
Coordinates39.74103, -105.01307
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating63.8 US tons
Inventory rating38.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span131 ft (40 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic117,500 (2020)
Projected traffic138,650 by 2040
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 Ramp to I 25 Sbnd over Ramp to I 25 Nbnd R built?

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

What condition is Ramp to I 25 Sbnd over Ramp to I 25 Nbnd R in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Ramp to I 25 Sbnd over Ramp to I 25 Nbnd R carry?

About 117,500 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is Ramp to I 25 Sbnd over Ramp to I 25 Nbnd R?

The structure is 135 ft (41.1 m) long with a longest span of 131 ft (40 m) and a deck 33 ft wide.

Who owns Ramp to I 25 Sbnd over Ramp to I 25 Nbnd R?

It is owned by the State Highway Agency.