US Bridges

Colorado Blvd over Big Dry Creek

Fair

Arapahoe County, Colorado · .6 MI N of County Line RD · Structure no. CENT 25-0.6

Built
1989
36 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
159 ft
2 main spans
Daily traffic
9,445
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Colorado Blvd over Big Dry Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Colorado Blvd over Big Dry 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 9,445 vehicles a day, roughly 2% of them trucks, projected to reach 11,523 by 2041. The structure is 159 ft (48.5 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesColorado Blvd
CrossesBig Dry Creek
Location.6 MI N of County Line RD
RouteCity Street 0
Coordinates39.5747, -104.94155
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating29.9 US tons
Inventory rating17.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span74 ft (22.6 m)
Deck width65 ft (19.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,445 (2021)
Projected traffic11,523 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Colorado Blvd over Big Dry Creek built?

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

What condition is Colorado Blvd over Big Dry 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 October 2023.

How much traffic does Colorado Blvd over Big Dry Creek carry?

About 9,445 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Colorado Blvd over Big Dry Creek?

The structure is 159 ft (48.5 m) long with a longest span of 74 ft (22.6 m) and a deck 65 ft wide.

Who owns Colorado Blvd over Big Dry Creek?

It is owned by the City or Municipal Highway Agency.