US Bridges

County Road 22 over Sullivan Ditch

Fair

Weld County, Colorado · 0.1 MI E of CO RD 17 · Structure no. WEL022.0_017.0A

Built
2002
23 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
263
2022 count
Owner
County
County Highway Agency

About this bridge

County Road 22 over Sullivan Ditch is a steel stringer/multi-beam or girder carrying County Road 22 over Sullivan Ditch in Weld County, Colorado. It was built in 2002, so it is 23 years old, younger 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 263 vehicles a day, roughly 35% of them trucks, projected to reach 374 by 2042. The structure is 31 ft (9.4 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesCounty Road 22
CrossesSullivan Ditch
Location0.1 MI E of CO RD 17
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.14567, -104.90151
Functional classRural 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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.7 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span27 ft (8.1 m)
Deck width36 ft (10.9 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic263 (2022)
Projected traffic374 by 2042
Trucks35%
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 22 over Sullivan Ditch built?

It was built in 2002, making it 23 years old in 2025.

What condition is County Road 22 over Sullivan 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 March 2024.

How much traffic does County Road 22 over Sullivan Ditch carry?

About 263 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is County Road 22 over Sullivan Ditch?

The structure is 31 ft (9.4 m) long with a longest span of 27 ft (8.1 m) and a deck 36 ft wide.

Who owns County Road 22 over Sullivan Ditch?

It is owned by the County Highway Agency.