US Bridges

I 70 Service RD over Middle Bijou Creek SR

Fair

Arapahoe County, Colorado · 7.3 MI E of JCT 36 Byers · Structure no. F-20-G

Built
1966
59 years old, rebuilt 2017
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
487 ft
6 main spans
Daily traffic
569
2024 count
Owner
State
State Highway Agency

About this bridge

I 70 Service RD over Middle Bijou Creek SR is a prestressed concrete continuous stringer/multi-beam or girder carrying I 70 Service RD over Middle Bijou Creek SR in Arapahoe County, Colorado. It was built in 1966 and reconstructed in 2017, so it is 59 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 569 vehicles a day, roughly 32% of them trucks, projected to reach 694 by 2044. The structure is 487 ft (148.4 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI 70 Service RD
CrossesMiddle Bijou Creek SR
Location7.3 MI E of JCT 36 Byers
RouteInterstate 70A
CountyArapahoe County
StateColorado
Coordinates39.67173, -104.09969
Functional classRural Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.3 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length487 ft (148.4 m)
Longest span79 ft (24.2 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic569 (2024)
Projected traffic694 by 2044
Trucks32%
Lanes on structure2
Traffic directionTwo-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 Service RD over Middle Bijou Creek SR built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2017.

What condition is I 70 Service RD over Middle Bijou Creek SR 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 April 2023.

How much traffic does I 70 Service RD over Middle Bijou Creek SR carry?

About 569 vehicles per day (2024 count), of which roughly 32% are trucks.

How long is I 70 Service RD over Middle Bijou Creek SR?

The structure is 487 ft (148.4 m) long with a longest span of 79 ft (24.2 m) and a deck 32 ft wide.

Who owns I 70 Service RD over Middle Bijou Creek SR?

It is owned by the State Highway Agency.