US Bridges

FL-4018 over North Diversion Channel

Fair

Bernalillo County, New Mexico · 0.19 MI E of I-25/ALBUQ · Structure no. 000000000006795

Built
1966
59 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
137 ft
2 main spans
Daily traffic
41,631
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4018 over North Diversion Channel is a prestressed concrete stringer/multi-beam or girder carrying FL-4018 over North Diversion Channel in Bernalillo County, New Mexico. It was built in 1966, so it is 59 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 5 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 41,631 vehicles a day, roughly 13% of them trucks, projected to reach 56,618 by 2043. The structure is 137 ft (41.8 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesFL-4018
CrossesNorth Diversion Channel
Location0.19 MI E of I-25/ALBUQ
RouteCity Street 4018
CountyBernalillo County
StateNew Mexico
Coordinates35.13115, -106.60709
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span65 ft (19.8 m)
Deck width40 ft (12.3 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,631 (2023)
Projected traffic56,618 by 2043
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$300,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-4018 over North Diversion Channel built?

It was built in 1966, making it 59 years old in 2025.

What condition is FL-4018 over North 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 March 2024.

How much traffic does FL-4018 over North Diversion Channel carry?

About 41,631 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is FL-4018 over North Diversion Channel?

The structure is 137 ft (41.8 m) long with a longest span of 65 ft (19.8 m) and a deck 40 ft wide.

Who owns FL-4018 over North Diversion Channel?

It is owned by the City or Municipal Highway Agency.