US Bridges

County RD Z.5 over Weldon Valley Ditch

Good

Morgan County, Colorado · 0.4 MI E of CO RD 4 · Structure no. MGZ.5-0.4-4-A

Built
2012
13 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
56
2023 count
Owner
County
County Highway Agency

About this bridge

County RD Z.5 over Weldon Valley Ditch is a steel stringer/multi-beam or girder carrying County RD Z.5 over Weldon Valley Ditch in Morgan County, Colorado. It was built in 2012, so it is 13 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 56 vehicles a day, roughly 31% of them trucks, projected to reach 72 by 2043. The structure is 42 ft (12.9 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty RD Z.5
CrossesWeldon Valley Ditch
Location0.4 MI E of CO RD 4
RouteCounty Highway 0
Coordinates40.37164, -104.06369
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating31.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.9 m)
Longest span38 ft (11.6 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (2023)
Projected traffic72 by 2043
Trucks31%
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 RD Z.5 over Weldon Valley Ditch built?

It was built in 2012, making it 13 years old in 2025.

What condition is County RD Z.5 over Weldon Valley 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 December 2024.

How much traffic does County RD Z.5 over Weldon Valley Ditch carry?

About 56 vehicles per day (2023 count), of which roughly 31% are trucks.

How long is County RD Z.5 over Weldon Valley Ditch?

The structure is 42 ft (12.9 m) long with a longest span of 38 ft (11.6 m) and a deck 33 ft wide.

Who owns County RD Z.5 over Weldon Valley Ditch?

It is owned by the County Highway Agency.