US Bridges

49th Street (CR52) over Ashcroft Draw

Fair

Weld County, Colorado · 0.9 MI E of 47th Ave · Structure no. EVN052.0-033.0A

Built
1965
60 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
5,459
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

49th Street (CR52) over Ashcroft Draw is a prestressed concrete tee beam carrying 49th Street (CR52) over Ashcroft Draw in Weld County, Colorado. It was built in 1965, so it is 60 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 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 5,459 vehicles a day, roughly 17% of them trucks, projected to reach 7,752 by 2042. The structure is 41 ft (12.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries49th Street (CR52)
CrossesAshcroft Draw
Location0.9 MI E of 47th Ave
RouteCity Street 0
Coordinates40.36358, -104.73852
Functional classUrban Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length41 ft (12.4 m)
Longest span39 ft (11.9 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,459 (2023)
Projected traffic7,752 by 2042
Trucks17%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$223,000 (2018 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 49th Street (CR52) over Ashcroft Draw built?

It was built in 1965, making it 60 years old in 2025.

What condition is 49th Street (CR52) over Ashcroft Draw 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 April 2024.

How much traffic does 49th Street (CR52) over Ashcroft Draw carry?

About 5,459 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is 49th Street (CR52) over Ashcroft Draw?

The structure is 41 ft (12.4 m) long with a longest span of 39 ft (11.9 m) and a deck 28 ft wide.

Who owns 49th Street (CR52) over Ashcroft Draw?

It is owned by the City or Municipal Highway Agency.