US Bridges

FL-4053 over Unnamed Waterway

Fair

Bernalillo County, New Mexico · San Pedro Blvd. over I-40 · Structure no. 000000000006426

Built
1963
62 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
16,653
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4053 over Unnamed Waterway is a concrete culvert carrying FL-4053 over Unnamed Waterway in Bernalillo County, New Mexico. It was built in 1963, so it is 62 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 16,653 vehicles a day, roughly 5% of them trucks, projected to reach 22,648 by 2043. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFL-4053
CrossesUnnamed Waterway
LocationSan Pedro Blvd. over I-40
RouteCity Street 4053
Coordinates35.1024, -106.5776
Functional classUrban Minor 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 2025
Inspection intervalevery 48 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 rating48.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.7 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 traffic16,653 (2023)
Projected traffic22,648 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$234,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-4053 over Unnamed Waterway built?

It was built in 1963, making it 62 years old in 2025.

What condition is FL-4053 over Unnamed Waterway 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 2025.

How much traffic does FL-4053 over Unnamed Waterway carry?

About 16,653 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-4053 over Unnamed Waterway?

The structure is 29 ft (8.7 m) long with a longest span of 12 ft (3.7 m).

Who owns FL-4053 over Unnamed Waterway?

It is owned by the City or Municipal Highway Agency.