US Bridges

I 25 Ml Nbnd+sbnd over Drainage Ditch

Fair

El Paso County, Colorado · .6 MI N of JCT SH 83-ACAD · Structure no. I-17-IK

Built
1986
39 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
38,500
2020 count
Owner
State
State Highway Agency

About this bridge

I 25 Ml Nbnd+sbnd over Drainage Ditch is a concrete culvert carrying I 25 Ml Nbnd+sbnd over Drainage Ditch in El Paso County, Colorado. It was built in 1986, so it is 39 years old, younger 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 38,500 vehicles a day, roughly 10% of them trucks, projected to reach 51,205 by 2040. The structure is 31 ft (9.5 m) long and 145 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesI 25 Ml Nbnd+sbnd
CrossesDrainage Ditch
Location.6 MI N of JCT SH 83-ACAD
RouteInterstate 25A
Coordinates38.77527, -104.78222
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating65.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length31 ft (9.5 m)
Longest span10 ft (3 m)
Deck width145 ft (44.2 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,500 (2020)
Projected traffic51,205 by 2040
Trucks10%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Nbnd+sbnd over Drainage Ditch built?

It was built in 1986, making it 39 years old in 2025.

What condition is I 25 Ml Nbnd+sbnd over Drainage 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 August 2024.

How much traffic does I 25 Ml Nbnd+sbnd over Drainage Ditch carry?

About 38,500 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is I 25 Ml Nbnd+sbnd over Drainage Ditch?

The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m) and a deck 145 ft wide.

Who owns I 25 Ml Nbnd+sbnd over Drainage Ditch?

It is owned by the State Highway Agency.