US Bridges

I 70 Ml Ebnd over Rattlesnake Creek

Fair

Arapahoe County, Colorado · 4.4 MI E of JCT 36-BYERS · Structure no. F-20-BV

Built
1989
36 years old
Condition
Fair
inspected May 2023
Type
Frame
Concrete
Length
127 ft
3 main spans
Daily traffic
6,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Ebnd over Rattlesnake Creek is a concrete frame carrying I 70 Ml Ebnd over Rattlesnake Creek in Arapahoe County, Colorado. It was built in 1989, so it is 36 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 6,000 vehicles a day, roughly 32% of them trucks, projected to reach 7,800 by 2040. The structure is 127 ft (38.8 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Ebnd
CrossesRattlesnake Creek
Location4.4 MI E of JCT 36-BYERS
RouteInterstate 70A
Coordinates39.69349, -104.14603
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.2 US tons
Inventory rating45 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length127 ft (38.8 m)
Longest span42 ft (12.8 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2020)
Projected traffic7,800 by 2040
Trucks32%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Ebnd over Rattlesnake Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is I 70 Ml Ebnd over Rattlesnake 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 May 2023.

How much traffic does I 70 Ml Ebnd over Rattlesnake Creek carry?

About 6,000 vehicles per day (2020 count), of which roughly 32% are trucks.

How long is I 70 Ml Ebnd over Rattlesnake Creek?

The structure is 127 ft (38.8 m) long with a longest span of 42 ft (12.8 m) and a deck 40 ft wide.

Who owns I 70 Ml Ebnd over Rattlesnake Creek?

It is owned by the State Highway Agency.