US Bridges

I 25 Ml over Cache LA Poudre Ditch

Fair

Larimer County, Colorado · 11.3 MI N of JCT US 34 · Structure no. B-16-BF

Built
1966
59 years old, rebuilt 1989
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
55,000
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml over Cache LA Poudre Ditch is a concrete culvert carrying I 25 Ml over Cache LA Poudre Ditch in Larimer County, Colorado. It was built in 1966 and reconstructed in 1989, so it is 59 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 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 55,000 vehicles a day, roughly 11% of them trucks, projected to reach 83,050 by 2040. The structure is 32 ft (9.8 m) long and 236 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Ml
CrossesCache LA Poudre Ditch
Location11.3 MI N of JCT US 34
RouteInterstate 25A
Coordinates40.57046, -105.00111
Functional classUrban Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 rating110.1 US tons
Inventory rating69.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width236 ft (71.9 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55,000 (2020)
Projected traffic83,050 by 2040
Trucks11%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I 25 Ml over Cache LA Poudre Ditch built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1989.

What condition is I 25 Ml over Cache LA Poudre 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 July 2023.

How much traffic does I 25 Ml over Cache LA Poudre Ditch carry?

About 55,000 vehicles per day (2020 count), of which roughly 11% are trucks.

How long is I 25 Ml over Cache LA Poudre Ditch?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m) and a deck 236 ft wide.

Who owns I 25 Ml over Cache LA Poudre Ditch?

It is owned by the State Highway Agency.