US Bridges

County Road 43 over Latham Ditch

Fair

Weld County, Colorado · 100 Ft N of CO RD 54 · Structure no. WEL043.0_054.0A

Built
1995
30 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 43 over Latham Ditch is a steel stringer/multi-beam or girder carrying County Road 43 over Latham Ditch in Weld County, Colorado. It was built in 1995, so it is 30 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 5 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 20 vehicles a day, roughly 26% of them trucks, projected to reach 29 by 2042. The structure is 33 ft (10.2 m) long and 28 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesCounty Road 43
CrossesLatham Ditch
Location100 Ft N of CO RD 54
RouteCounty Highway 0
Coordinates40.37778, -104.65889
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.9 US tons
Inventory rating22 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length33 ft (10.2 m)
Longest span30 ft (9.2 m)
Deck width28 ft (8.6 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic29 by 2042
Trucks26%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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 43 over Latham Ditch built?

It was built in 1995, making it 30 years old in 2025.

What condition is County Road 43 over Latham 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 April 2024.

How much traffic does County Road 43 over Latham Ditch carry?

About 20 vehicles per day (2023 count), of which roughly 26% are trucks.

How long is County Road 43 over Latham Ditch?

The structure is 33 ft (10.2 m) long with a longest span of 30 ft (9.2 m) and a deck 28 ft wide.

Who owns County Road 43 over Latham Ditch?

It is owned by the County Highway Agency.