US Bridges

35th Avenue over Greeley No. 3 Ditch

Good

Weld County, Colorado · 0.3 MI North of 4th ST · Structure no. GREELEY-000020

Built
1976
49 years old, rebuilt 2021
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
24 ft
1 main span
Daily traffic
10,593
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

35th Avenue over Greeley No. 3 Ditch is a concrete culvert carrying 35th Avenue over Greeley No. 3 Ditch in Weld County, Colorado. It was built in 1976 and reconstructed in 2021, so it is 49 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 10,593 vehicles a day, roughly 9% of them trucks, projected to reach 15,043 by 2043. The structure is 24 ft (7.4 m) long and 95 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Carries35th Avenue
CrossesGreeley No. 3 Ditch
Location0.3 MI North of 4th ST
RouteCity Street 0
Coordinates40.43435, -104.73526
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.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 length24 ft (7.4 m)
Longest span24 ft (7.4 m)
Deck width95 ft (29.1 m)
Roadway width93 ft (28.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,593 (2023)
Projected traffic15,043 by 2043
Trucks9%
Lanes on structure4
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 35th Avenue over Greeley No. 3 Ditch built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 2021.

What condition is 35th Avenue over Greeley No. 3 Ditch 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 April 2024.

How much traffic does 35th Avenue over Greeley No. 3 Ditch carry?

About 10,593 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is 35th Avenue over Greeley No. 3 Ditch?

The structure is 24 ft (7.4 m) long with a longest span of 24 ft (7.4 m) and a deck 95 ft wide.

Who owns 35th Avenue over Greeley No. 3 Ditch?

It is owned by the City or Municipal Highway Agency.