US Bridges

I 70 Ml over Rapid Creek

Fair

Mesa County, Colorado · 0.4 MI E of JCT US 6 Ml · Structure no. H-03-G

Built
1963
62 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
18,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml over Rapid Creek is a concrete culvert carrying I 70 Ml over Rapid Creek in Mesa County, Colorado. It was built in 1963, so it is 62 years old, older 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 18,000 vehicles a day, roughly 13% of them trucks, projected to reach 23,040 by 2040. The structure is 25 ft (7.6 m) long and 77 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesI 70 Ml
CrossesRapid Creek
Location0.4 MI E of JCT US 6 Ml
RouteInterstate 70A
Coordinates39.13154, -108.32375
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.5 US tons
Inventory rating33.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width77 ft (23.5 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,000 (2020)
Projected traffic23,040 by 2040
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 70 Ml over Rapid Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is I 70 Ml over Rapid Creek 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 March 2024.

How much traffic does I 70 Ml over Rapid Creek carry?

About 18,000 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is I 70 Ml over Rapid Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 77 ft wide.

Who owns I 70 Ml over Rapid Creek?

It is owned by the State Highway Agency.