US Bridges

County Road 12 over Fulton Ditch

Fair

Weld County, Colorado · 0.2 MI E of CR 29.5 · Structure no. WEL012.0-029.5A

Built
2009
16 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
365
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

County Road 12 over Fulton Ditch is a steel stringer/multi-beam or girder carrying County Road 12 over Fulton Ditch in Weld County, Colorado. It was built in 2009, so it is 16 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 365 vehicles a day, roughly 40% of them trucks, projected to reach 519 by 2042. The structure is 30 ft (9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty Road 12
CrossesFulton Ditch
Location0.2 MI E of CR 29.5
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.07303, -104.78
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.6 US tons
Inventory rating27.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length30 ft (9 m)
Longest span26 ft (7.9 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic365 (2022)
Projected traffic519 by 2042
Trucks40%
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

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 County Road 12 over Fulton Ditch built?

It was built in 2009, making it 16 years old in 2025.

What condition is County Road 12 over Fulton 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 12 over Fulton Ditch carry?

About 365 vehicles per day (2022 count), of which roughly 40% are trucks.

How long is County Road 12 over Fulton Ditch?

The structure is 30 ft (9 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns County Road 12 over Fulton Ditch?

It is owned by the City or Municipal Highway Agency.