US Bridges

I 25 (rmp B) over RR Spur

Fair

Denver County, Colorado · Just S of 6th Ave Intchng · Structure no. F-16-D

Built
2014
11 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
198 ft
3 main spans
Daily traffic
215,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 (rmp B) over RR Spur is a prestressed concrete continuous stringer/multi-beam or girder carrying I 25 (rmp B) over RR Spur in Denver County, Colorado. It was built in 2014, so it is 11 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 215,000 vehicles a day, roughly 6% of them trucks, projected to reach 247,250 by 2040. The structure is 198 ft (60.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesI 25 (rmp B)
CrossesRR Spur
LocationJust S of 6th Ave Intchng
RouteInterstate 25A
CountyDenver County
StateColorado
Coordinates39.72309, -105.01032
Functional classUrban Principal Arterial - Interstate

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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating57.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHL 93
Structure length198 ft (60.2 m)
Longest span85 ft (25.9 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic215,000 (2020)
Projected traffic247,250 by 2040
Trucks6%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 I 25 (rmp B) over RR Spur built?

It was built in 2014, making it 11 years old in 2025.

What condition is I 25 (rmp B) over RR Spur 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 2024.

How much traffic does I 25 (rmp B) over RR Spur carry?

About 215,000 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is I 25 (rmp B) over RR Spur?

The structure is 198 ft (60.2 m) long with a longest span of 85 ft (25.9 m) and a deck 28 ft wide.

Who owns I 25 (rmp B) over RR Spur?

It is owned by the State Highway Agency.