US Bridges

FL-4018 over Rio Grande

Fair

Bernalillo County, New Mexico · 0.52 MI E of Coors Road · Structure no. 000000000009018

Built
1996
29 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
2,002 ft
20 main spans
Daily traffic
50,070
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4018 over Rio Grande is a prestressed concrete continuous stringer/multi-beam or girder carrying FL-4018 over Rio Grande in Bernalillo County, New Mexico. It was built in 1996, so it is 29 years old, younger 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 50,070 vehicles a day, roughly 12% of them trucks, projected to reach 68,095 by 2043. The structure is 2,002 ft (610.2 m) long and 73 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesFL-4018
CrossesRio Grande
Location0.52 MI E of Coors Road
RouteCity Street 4018
CountyBernalillo County
StateNew Mexico
Coordinates35.14579, -106.67867
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 Continuous
DeckConcrete, cast-in-place
Main spans20
Design loadHS 20
Structure length2,002 ft (610.2 m)
Longest span99 ft (30.2 m)
Deck width73 ft (22.3 m)
Roadway width60 ft (18.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50,070 (2023)
Projected traffic68,095 by 2043
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-4018 over Rio Grande built?

It was built in 1996, making it 29 years old in 2025.

What condition is FL-4018 over Rio Grande 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 May 2023.

How much traffic does FL-4018 over Rio Grande carry?

About 50,070 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FL-4018 over Rio Grande?

The structure is 2,002 ft (610.2 m) long with a longest span of 99 ft (30.2 m) and a deck 73 ft wide.

Who owns FL-4018 over Rio Grande?

It is owned by the City or Municipal Highway Agency.