US Bridges

County Road 29 over Western Mutual Ditch

Fair

Weld County, Colorado · 0.5 MI N of CO RD 42 · Structure no. WEL029.0-042.0A

Built
2005
20 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
27 ft
1 main span
Daily traffic
60
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 29 over Western Mutual Ditch is a steel stringer/multi-beam or girder carrying County Road 29 over Western Mutual Ditch in Weld County, Colorado. It was built in 2005, so it is 20 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 60 vehicles a day, roughly 72% of them trucks, projected to reach 86 by 2042. The structure is 27 ft (8.2 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 29
CrossesWestern Mutual Ditch
Location0.5 MI N of CO RD 42
RouteCounty Highway 0
Coordinates40.29524, -104.79192
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span24 ft (7.4 m)
Deck width36 ft (11 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2023)
Projected traffic86 by 2042
Trucks72%
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 29 over Western Mutual Ditch built?

It was built in 2005, making it 20 years old in 2025.

What condition is County Road 29 over Western Mutual 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 29 over Western Mutual Ditch carry?

About 60 vehicles per day (2023 count), of which roughly 72% are trucks.

How long is County Road 29 over Western Mutual Ditch?

The structure is 27 ft (8.2 m) long with a longest span of 24 ft (7.4 m) and a deck 36 ft wide.

Who owns County Road 29 over Western Mutual Ditch?

It is owned by the County Highway Agency.