US Bridges

I 25 Ml Sbnd over N.Poudre Ditch Sand Crk

Fair

Larimer County, Colorado · 17.8 MI South of Wyoming · Structure no. A-17-AX

Built
1967
58 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
49 ft
1 main span
Daily traffic
12,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Sbnd over N.Poudre Ditch Sand Crk is a concrete tee beam carrying I 25 Ml Sbnd over N.Poudre Ditch Sand Crk in Larimer County, Colorado. It was built in 1967, so it is 58 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 12,500 vehicles a day, roughly 14% of them trucks, projected to reach 18,750 by 2040. The structure is 49 ft (15 m) long and 40 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI 25 Ml Sbnd
CrossesN.Poudre Ditch Sand Crk
Location17.8 MI South of Wyoming
RouteInterstate 25A
Coordinates40.74949, -104.99287
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (15 m)
Longest span47 ft (14.3 m)
Deck width40 ft (12.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,500 (2020)
Projected traffic18,750 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-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 Sbnd over N.Poudre Ditch Sand Crk built?

It was built in 1967, making it 58 years old in 2025.

What condition is I 25 Ml Sbnd over N.Poudre Ditch Sand Crk 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 March 2023.

How much traffic does I 25 Ml Sbnd over N.Poudre Ditch Sand Crk carry?

About 12,500 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is I 25 Ml Sbnd over N.Poudre Ditch Sand Crk?

The structure is 49 ft (15 m) long with a longest span of 47 ft (14.3 m) and a deck 40 ft wide.

Who owns I 25 Ml Sbnd over N.Poudre Ditch Sand Crk?

It is owned by the State Highway Agency.