US Bridges

County Road 47 over Latham Ditch

Fair

Weld County, Colorado · 0.9 MI N of CO RD 54 · Structure no. WEL047.0-054.0A

Built
1991
34 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
35 ft
1 main span
Daily traffic
718
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 47 over Latham Ditch is a concrete slab carrying County Road 47 over Latham Ditch in Weld County, Colorado. It was built in 1991, so it is 34 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 718 vehicles a day, roughly 34% of them trucks, projected to reach 1,020 by 2042. The structure is 35 ft (10.7 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 47
CrossesLatham Ditch
Location0.9 MI N of CO RD 54
RouteCounty Highway 0
CountyWeld County
StateColorado
Coordinates40.38925, -104.62105
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 rating40 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span32 ft (9.8 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic718 (2023)
Projected traffic1,020 by 2042
Trucks34%
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 47 over Latham Ditch built?

It was built in 1991, making it 34 years old in 2025.

What condition is County Road 47 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 47 over Latham Ditch carry?

About 718 vehicles per day (2023 count), of which roughly 34% are trucks.

How long is County Road 47 over Latham Ditch?

The structure is 35 ft (10.7 m) long with a longest span of 32 ft (9.8 m) and a deck 32 ft wide.

Who owns County Road 47 over Latham Ditch?

It is owned by the County Highway Agency.