US Bridges

FL-5047 over Mariposa Arroyo

Fair

Bernalillo County, New Mexico · 0.04 MI S of Homestead DR · Structure no. 000000000008825

Built
1990
35 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
630
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-5047 over Mariposa Arroyo is a prestressed concrete box beam or girders - multiple carrying FL-5047 over Mariposa Arroyo in Bernalillo County, New Mexico. It was built in 1990, so it is 35 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 630 vehicles a day, roughly 6% of them trucks, projected to reach 856 by 2043. The structure is 44 ft (13.4 m) long and 56 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFL-5047
CrossesMariposa Arroyo
Location0.04 MI S of Homestead DR
RouteCity Street 5047
CountyBernalillo County
StateNew Mexico
Coordinates35.16148, -106.70334
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span42 ft (12.8 m)
Deck width56 ft (17.1 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2023)
Projected traffic856 by 2043
Trucks6%
Lanes on structure2
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-5047 over Mariposa Arroyo built?

It was built in 1990, making it 35 years old in 2025.

What condition is FL-5047 over Mariposa Arroyo 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 November 2023.

How much traffic does FL-5047 over Mariposa Arroyo carry?

About 630 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is FL-5047 over Mariposa Arroyo?

The structure is 44 ft (13.4 m) long with a longest span of 42 ft (12.8 m) and a deck 56 ft wide.

Who owns FL-5047 over Mariposa Arroyo?

It is owned by the City or Municipal Highway Agency.