US Bridges

104th Avenue over Second Creek

Fair

Adams County, Colorado · 0.3 MI East of Chambers · Structure no. COMC-09-0.4-01A

Built
2008
17 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
11,535
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

104th Avenue over Second Creek is a prestressed concrete stringer/multi-beam or girder carrying 104th Avenue over Second Creek in Adams County, Colorado. It was built in 2008, so it is 17 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 11,535 vehicles a day, roughly 2% of them trucks, projected to reach 14,996 by 2041. The structure is 92 ft (28 m) long and 79 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries104th Avenue
CrossesSecond Creek
Location0.3 MI East of Chambers
RouteCity Street 0
CountyAdams County
StateColorado
Coordinates39.88546, -104.80281
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating42.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length92 ft (28 m)
Longest span87 ft (26.5 m)
Deck width79 ft (24.1 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,535 (2021)
Projected traffic14,996 by 2041
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 104th Avenue over Second Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is 104th Avenue over Second 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 December 2023.

How much traffic does 104th Avenue over Second Creek carry?

About 11,535 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is 104th Avenue over Second Creek?

The structure is 92 ft (28 m) long with a longest span of 87 ft (26.5 m) and a deck 79 ft wide.

Who owns 104th Avenue over Second Creek?

It is owned by the City or Municipal Highway Agency.