US Bridges

County Road 57 over Latham Ditch

Fair

Weld County, Colorado · 0.4 MI N of CO RD 52 · Structure no. WEL057.0-052.0A

Built
1960
65 years old, rebuilt 2002
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
29 ft
1 main span
Daily traffic
452
2023 count
Owner
County
County Highway Agency

About this bridge

County Road 57 over Latham Ditch is a steel stringer/multi-beam or girder carrying County Road 57 over Latham Ditch in Weld County, Colorado. It was built in 1960 and reconstructed in 2002, so it is 65 years old, older 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 452 vehicles a day, roughly 29% of them trucks, projected to reach 642 by 2042. The structure is 29 ft (8.7 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 57
CrossesLatham Ditch
Location0.4 MI N of CO RD 52
RouteCounty Highway 0
Coordinates40.36827, -104.52639
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.6 US tons
Inventory rating23.1 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length29 ft (8.7 m)
Longest span26 ft (7.9 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic452 (2023)
Projected traffic642 by 2042
Trucks29%
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 57 over Latham Ditch built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2002.

What condition is County Road 57 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 February 2024.

How much traffic does County Road 57 over Latham Ditch carry?

About 452 vehicles per day (2023 count), of which roughly 29% are trucks.

How long is County Road 57 over Latham Ditch?

The structure is 29 ft (8.7 m) long with a longest span of 26 ft (7.9 m) and a deck 29 ft wide.

Who owns County Road 57 over Latham Ditch?

It is owned by the County Highway Agency.