US Bridges

I 25 W Fr. Road Ar over Boxelder Creek

Good

Larimer County, Colorado · Access to Rest Area SR · Structure no. B-16-AB

Built
2008
17 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
773
2023 count
Owner
State
State Highway Agency

About this bridge

I 25 W Fr. Road Ar over Boxelder Creek is a concrete culvert carrying I 25 W Fr. Road Ar over Boxelder Creek in Larimer 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 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 773 vehicles a day, roughly 11% of them trucks, projected to reach 966 by 2042. The structure is 25 ft (7.6 m) long and 80 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 25 W Fr. Road Ar
CrossesBoxelder Creek
LocationAccess to Rest Area SR
RouteInterstate 25A
Coordinates40.56396, -105.00644
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating75 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span12 ft (3.7 m)
Deck width80 ft (24.3 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic773 (2023)
Projected traffic966 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 W Fr. Road Ar over Boxelder Creek built?

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

What condition is I 25 W Fr. Road Ar over Boxelder Creek 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 I 25 W Fr. Road Ar over Boxelder Creek carry?

About 773 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is I 25 W Fr. Road Ar over Boxelder Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m) and a deck 80 ft wide.

Who owns I 25 W Fr. Road Ar over Boxelder Creek?

It is owned by the State Highway Agency.