US Bridges

County Road 55 over Greeley Ditch

Good

Weld County, Colorado · 0.2 MI North of CR 66 · Structure no. WEL055.0-066.0A

Built
1986
39 years old
Condition
Good
inspected March 2022
Type
Culvert
Concrete
Length
25 ft
1 main span
Daily traffic
2,137
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 55 over Greeley Ditch is a concrete culvert carrying County Road 55 over Greeley Ditch in Weld County, Colorado. It was built in 1986, so it is 39 years old, younger 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 2,137 vehicles a day, roughly 17% of them trucks, projected to reach 3,035 by 2042. The structure is 25 ft (7.7 m) long and 83 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 55
CrossesGreeley Ditch
Location0.2 MI North of CR 66
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.468, -104.546
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.7 m)
Longest span25 ft (7.7 m)
Deck width83 ft (25.4 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,137 (2023)
Projected traffic3,035 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

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 County Road 55 over Greeley Ditch built?

It was built in 1986, making it 39 years old in 2025.

What condition is County Road 55 over Greeley 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 March 2022.

How much traffic does County Road 55 over Greeley Ditch carry?

About 2,137 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is County Road 55 over Greeley Ditch?

The structure is 25 ft (7.7 m) long with a longest span of 25 ft (7.7 m) and a deck 83 ft wide.

Who owns County Road 55 over Greeley Ditch?

It is owned by the County Highway Agency.