US Bridges

144th Avenue over Sand Creek

FairPosted for load

Adams County, Colorado · 2.5 MI W of Strasburg RD · Structure no. ADA144-36.7N143

Built
1950
75 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
40 ft
1 main span
Daily traffic
305
2021 count
Owner
County
County Highway Agency

About this bridge

144th Avenue over Sand Creek is a steel stringer/multi-beam or girder carrying 144th Avenue over Sand Creek in Adams County, Colorado. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 305 vehicles a day, roughly 5% of them trucks, projected to reach 397 by 2041. The structure is 40 ft (12.2 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Carries144th Avenue
CrossesSand Creek
Location2.5 MI W of Strasburg RD
RouteCounty Highway 0
Coordinates39.95567, -104.36724
Functional classRural Minor Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.6 US tons
Inventory rating16.5 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span37 ft (11.4 m)
Deck width35 ft (10.7 m)
Roadway width34 ft (10.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic305 (2021)
Projected traffic397 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 144th Avenue over Sand Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is 144th Avenue over Sand 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 November 2023.

How much traffic does 144th Avenue over Sand Creek carry?

About 305 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 144th Avenue over Sand Creek?

The structure is 40 ft (12.2 m) long with a longest span of 37 ft (11.4 m) and a deck 35 ft wide.

Who owns 144th Avenue over Sand Creek?

It is owned by the County Highway Agency.