US Bridges

I 70 Ml Wbnd over Middle Bijou Creek

Fair

Arapahoe County, Colorado · 5.1 MI W of JCT Deertrail · Structure no. F-20-BJ

Built
1965
60 years old, rebuilt 1996
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
487 ft
6 main spans
Daily traffic
6,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 70 Ml Wbnd over Middle Bijou Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I 70 Ml Wbnd over Middle Bijou Creek in Arapahoe County, Colorado. It was built in 1965 and reconstructed in 1996, so it is 60 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 5 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 7,260 by 2040. The structure is 487 ft (148.4 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 70 Ml Wbnd
CrossesMiddle Bijou Creek
Location5.1 MI W of JCT Deertrail
RouteInterstate 70A
Coordinates39.67226, -104.09911
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating100.6 US tons
Inventory rating43.8 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans6
Design loadHS 20 + Mod
Structure length487 ft (148.4 m)
Longest span81 ft (24.6 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 traffic7,260 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 Wbnd over Middle Bijou Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1996.

What condition is I 70 Ml Wbnd over Middle Bijou 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 August 2023.

How much traffic does I 70 Ml Wbnd over Middle Bijou Creek carry?

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

How long is I 70 Ml Wbnd over Middle Bijou Creek?

The structure is 487 ft (148.4 m) long with a longest span of 81 ft (24.6 m) and a deck 40 ft wide.

Who owns I 70 Ml Wbnd over Middle Bijou Creek?

It is owned by the State Highway Agency.