US Bridges

152nd Avenue over Box Elder Creek

Fair

Adams County, Colorado · 1.6 Miles W of Watkins RD · Structure no. ADA152-023.0114

Built
1985
40 years old
Condition
Fair
inspected December 2023
Type
Tee Beam
Prestressed Concrete
Length
262 ft
4 main spans
Daily traffic
3,919
2021 count
Owner
County
County Highway Agency

About this bridge

152nd Avenue over Box Elder Creek is a prestressed concrete tee beam carrying 152nd Avenue over Box Elder Creek in Adams County, Colorado. It was built in 1985, so it is 40 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 3,919 vehicles a day, roughly 9% of them trucks, projected to reach 5,094 by 2041. The structure is 262 ft (79.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries152nd Avenue
CrossesBox Elder Creek
Location1.6 Miles W of Watkins RD
RouteCounty Highway 0
Coordinates39.97181, -104.62212
Functional classRural Major 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
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating49.1 US tons
Inventory rating24.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans4
Design loadHS 20
Structure length262 ft (79.9 m)
Longest span61 ft (18.7 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,919 (2021)
Projected traffic5,094 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 152nd Avenue over Box Elder Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is 152nd Avenue over Box Elder 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 152nd Avenue over Box Elder Creek carry?

About 3,919 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is 152nd Avenue over Box Elder Creek?

The structure is 262 ft (79.9 m) long with a longest span of 61 ft (18.7 m) and a deck 32 ft wide.

Who owns 152nd Avenue over Box Elder Creek?

It is owned by the County Highway Agency.