US Bridges

4th Street over Greeley No. 3 Ditch

Fair

Weld County, Colorado · 0.64 MI E of 35th Ave · Structure no. GREELEY-0000009

Built
1972
53 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
16,883
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

4th Street over Greeley No. 3 Ditch is a concrete culvert carrying 4th Street over Greeley No. 3 Ditch in Weld County, Colorado. It was built in 1972, so it is 53 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.

It carries about 16,883 vehicles a day, roughly 13% of them trucks, projected to reach 23,973 by 2043. The structure is 21 ft (6.4 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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Carries4th Street
CrossesGreeley No. 3 Ditch
Location0.64 MI E of 35th Ave
RouteCity Street 0
CountyWeld County
StateColorado
Coordinates40.43023, -104.72292
Functional classUrban Minor 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
Channel and channel protection7 GoodSome minor problems.
Culvert5 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
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 typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width59 ft (18 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,883 (2023)
Projected traffic23,973 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 4th Street over Greeley No. 3 Ditch built?

It was built in 1972, making it 53 years old in 2025.

What condition is 4th Street over Greeley No. 3 Ditch 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 4th Street over Greeley No. 3 Ditch carry?

About 16,883 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is 4th Street over Greeley No. 3 Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m) and a deck 59 ft wide.

Who owns 4th Street over Greeley No. 3 Ditch?

It is owned by the City or Municipal Highway Agency.