US Bridges

US 85 Ml Sbnd over Latham Canal

Fair

Weld County, Colorado · Just So of Evans · Structure no. C-18-FC

Built
2008
17 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete
Length
42 ft
2 main spans
Daily traffic
12,500
2020 count
Owner
State
State Highway Agency

About this bridge

US 85 Ml Sbnd over Latham Canal is a concrete culvert carrying US 85 Ml Sbnd over Latham Canal in Weld County, Colorado. It was built in 2008, so it is 17 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 12,500 vehicles a day, roughly 7% of them trucks, projected to reach 16,625 by 2040. The structure is 42 ft (12.9 m) long and 138 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS 85 Ml Sbnd
CrossesLatham Canal
LocationJust So of Evans
RouteU.S. Route 85C
Coordinates40.36301, -104.69662
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: 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 typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length42 ft (12.9 m)
Longest span21 ft (6.3 m)
Deck width138 ft (42.1 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2020)
Projected traffic16,625 by 2040
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US 85 Ml Sbnd over Latham Canal built?

It was built in 2008, making it 17 years old in 2025.

What condition is US 85 Ml Sbnd over Latham Canal 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 November 2023.

How much traffic does US 85 Ml Sbnd over Latham Canal carry?

About 12,500 vehicles per day (2020 count), of which roughly 7% are trucks.

How long is US 85 Ml Sbnd over Latham Canal?

The structure is 42 ft (12.9 m) long with a longest span of 21 ft (6.3 m) and a deck 138 ft wide.

Who owns US 85 Ml Sbnd over Latham Canal?

It is owned by the State Highway Agency.