US Bridges

County Road 48 over I 25 Ml

Good

Larimer County, Colorado · Mile Mrkr 270.314 · Structure no. B-16-HC

Built
2018
7 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
213 ft
2 main spans
Daily traffic
7,569
2023 count
Owner
State
State Highway Agency

About this bridge

County Road 48 over I 25 Ml is a prestressed concrete continuous stringer/multi-beam or girder carrying County Road 48 over I 25 Ml in Larimer County, Colorado. It was built in 2018, so it is 7 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,569 vehicles a day, roughly 10% of them trucks, projected to reach 9,462 by 2042. The structure is 213 ft (64.8 m) long and 68 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty Road 48
CrossesI 25 Ml
LocationMile Mrkr 270.314
RouteCounty Highway 0
Coordinates40.5956, -105.00171
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating39.2 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadH 20
Structure length213 ft (64.8 m)
Longest span105 ft (32 m)
Deck width68 ft (20.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,569 (2023)
Projected traffic9,462 by 2042
Trucks10%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 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 48 over I 25 Ml built?

It was built in 2018, making it 7 years old in 2025.

What condition is County Road 48 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 48 over I 25 Ml carry?

About 7,569 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County Road 48 over I 25 Ml?

The structure is 213 ft (64.8 m) long with a longest span of 105 ft (32 m) and a deck 68 ft wide.

Who owns County Road 48 over I 25 Ml?

It is owned by the State Highway Agency.