US Bridges

County Road 19 over Sullivan Ditch

Good

Weld County, Colorado · 0.5 MI N of CO RD 22 · Structure no. WEL019.0-022.0A

Built
1993
32 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
4,259
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

County Road 19 over Sullivan Ditch is a steel stringer/multi-beam or girder carrying County Road 19 over Sullivan Ditch in Weld County, Colorado. It was built in 1993, so it is 32 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 4,259 vehicles a day, roughly 35% of them trucks, projected to reach 6,047 by 2042. The structure is 36 ft (10.9 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 19
CrossesSullivan Ditch
Location0.5 MI N of CO RD 22
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.15413, -104.88596
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.6 US tons
Inventory rating54.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length36 ft (10.9 m)
Longest span33 ft (10 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,259 (2022)
Projected traffic6,047 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

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 19 over Sullivan Ditch built?

It was built in 1993, making it 32 years old in 2025.

What condition is County Road 19 over Sullivan 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 2024.

How much traffic does County Road 19 over Sullivan Ditch carry?

About 4,259 vehicles per day (2022 count), of which roughly 35% are trucks.

How long is County Road 19 over Sullivan Ditch?

The structure is 36 ft (10.9 m) long with a longest span of 33 ft (10 m) and a deck 32 ft wide.

Who owns County Road 19 over Sullivan Ditch?

It is owned by the Town or Township Highway Agency.