US Bridges

144th Ave over Big Dry Creek

Good

Adams County, Colorado · 0.4 MI E of Washington ST · Structure no. THN-144WAS-BDC1

Built
2021
4 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
83 ft
4 main spans
Daily traffic
12,054
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

144th Ave over Big Dry Creek is a concrete culvert carrying 144th Ave over Big Dry Creek in Adams County, Colorado. It was built in 2021, so it is 4 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 12,054 vehicles a day, roughly 6% of them trucks, projected to reach 15,670 by 2041. The structure is 83 ft (25.3 m) long and 80 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries144th Ave
CrossesBig Dry Creek
Location0.4 MI E of Washington ST
RouteCity Street 0
Coordinates39.95753, -104.97117
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating100.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length83 ft (25.3 m)
Longest span20 ft (6.1 m)
Deck width80 ft (24.4 m)
Roadway width57 ft (17.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,054 (2021)
Projected traffic15,670 by 2041
Trucks6%
Lanes on structure4
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was 144th Ave over Big Dry Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is 144th Ave over Big Dry Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.

How much traffic does 144th Ave over Big Dry Creek carry?

About 12,054 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is 144th Ave over Big Dry Creek?

The structure is 83 ft (25.3 m) long with a longest span of 20 ft (6.1 m) and a deck 80 ft wide.

Who owns 144th Ave over Big Dry Creek?

It is owned by the City or Municipal Highway Agency.