US Bridges

FL-4078 over South Diversion Channel

Fair

Bernalillo County, New Mexico · 0.13 MI E of I-25 · Structure no. 000000000009047

Built
1969
56 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
38,264
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4078 over South Diversion Channel is a concrete culvert carrying FL-4078 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 38,264 vehicles a day, roughly 12% of them trucks, projected to reach 52,039 by 2043. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFL-4078
CrossesSouth Diversion Channel
Location0.13 MI E of I-25
RouteCity Street 4078
CountyBernalillo County
StateNew Mexico
Coordinates35.05917, -106.63586
Functional classUrban Other Principal Arterial

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,264 (2023)
Projected traffic52,039 by 2043
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 FL-4078 over South Diversion Channel built?

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

What condition is FL-4078 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 January 2024.

How much traffic does FL-4078 over South Diversion Channel carry?

About 38,264 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FL-4078 over South Diversion Channel?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m).

Who owns FL-4078 over South Diversion Channel?

It is owned by the City or Municipal Highway Agency.