US Bridges

I-25 Nbl/Sbl over South Diversion Channel

Fair

Bernalillo County, New Mexico · 3.7 MI S of JCT I-25/I-40 · Structure no. 000000000007069

Built
1969
56 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
57 ft
3 main spans
Daily traffic
93,910
2023 count
Owner
State
State Highway Agency

About this bridge

I-25 Nbl/Sbl over South Diversion Channel is a concrete culvert carrying I-25 Nbl/Sbl over South Diversion Channel in Bernalillo County, New Mexico. It was built in 1969, so it is 56 years old, older than the New Mexico average of 51.5 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 93,910 vehicles a day, roughly 7% of them trucks, projected to reach 127,717 by 2043. The structure is 57 ft (17.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-25 Nbl/Sbl
CrossesSouth Diversion Channel
Location3.7 MI S of JCT I-25/I-40
RouteInterstate 25
CountyBernalillo County
StateNew Mexico
Coordinates35.05363, -106.63756
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 inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length57 ft (17.3 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic93,910 (2023)
Projected traffic127,717 by 2043
Trucks7%
Lanes on structure8
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-25 Nbl/Sbl over South Diversion Channel built?

It was built in 1969, making it 56 years old in 2025.

What condition is I-25 Nbl/Sbl over South Diversion Channel 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 September 2023.

How much traffic does I-25 Nbl/Sbl over South Diversion Channel carry?

About 93,910 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is I-25 Nbl/Sbl over South Diversion Channel?

The structure is 57 ft (17.3 m) long with a longest span of 12 ft (3.7 m).

Who owns I-25 Nbl/Sbl over South Diversion Channel?

It is owned by the State Highway Agency.