US Bridges

County Road 20E over I 25 Ml

Good

Larimer County, Colorado · 1.5 MI No of JCT SH 402 · Structure no. C-17-EN

Built
2021
4 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
233 ft
2 main spans
Daily traffic
5,401
2023 count
Owner
State
State Highway Agency

About this bridge

County Road 20E over I 25 Ml is a prestressed concrete continuous stringer/multi-beam or girder carrying County Road 20E over I 25 Ml in Larimer County, Colorado. It was built in 2021, so it is 4 years old, younger than the Colorado average of 42.2 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,401 vehicles a day, roughly 11% of them trucks, projected to reach 6,752 by 2042. The structure is 233 ft (71 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCounty Road 20E
CrossesI 25 Ml
Location1.5 MI No of JCT SH 402
RouteCounty Highway 0
Coordinates40.39958, -104.99384
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating57.1 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length233 ft (71 m)
Longest span115 ft (35.1 m)
Deck width51 ft (15.5 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,401 (2023)
Projected traffic6,752 by 2042
Trucks11%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

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 County Road 20E over I 25 Ml built?

It was built in 2021, making it 4 years old in 2025.

What condition is County Road 20E over I 25 Ml in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does County Road 20E over I 25 Ml carry?

About 5,401 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is County Road 20E over I 25 Ml?

The structure is 233 ft (71 m) long with a longest span of 115 ft (35.1 m) and a deck 51 ft wide.

Who owns County Road 20E over I 25 Ml?

It is owned by the State Highway Agency.