US Bridges

4th Street over Greeley No. 3 Ditch

Fair

Weld County, Colorado · 0.81 MI E of 35th Ave · Structure no. GREELEY-0000008

Built
1970
55 years old
Condition
Fair
inspected April 2024
Type
Tee Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
10,732
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

4th Street over Greeley No. 3 Ditch is a prestressed concrete tee beam carrying 4th Street over Greeley No. 3 Ditch in Weld County, Colorado. It was built in 1970, so it is 55 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 10,732 vehicles a day, roughly 7% of them trucks, projected to reach 15,239 by 2043. The structure is 30 ft (9.1 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries4th Street
CrossesGreeley No. 3 Ditch
Location0.81 MI E of 35th Ave
RouteCity Street 0
Coordinates40.43024, -104.7197
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
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
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 typeTee Beam
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span26 ft (7.9 m)
Deck width56 ft (17.1 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,732 (2023)
Projected traffic15,239 by 2043
Trucks7%
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 1970, making it 55 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 10,732 vehicles per day (2023 count), of which roughly 7% are trucks.

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

The structure is 30 ft (9.1 m) long with a longest span of 26 ft (7.9 m) and a deck 56 ft wide.

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

It is owned by the City or Municipal Highway Agency.