US Bridges

FL-4048 over S. Glenwood Hills Arroyo

Fair

Bernalillo County, New Mexico · 0.7 M E of Juan Tabo · Structure no. 000000000007488

Built
1964
61 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
7,235
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4048 over S. Glenwood Hills Arroyo is a prestressed concrete tee beam carrying FL-4048 over S. Glenwood Hills Arroyo in Bernalillo County, New Mexico. It was built in 1964, so it is 61 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 7,235 vehicles a day, roughly 5% of them trucks, projected to reach 9,839 by 2043. The structure is 32 ft (9.8 m) long and 76 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFL-4048
CrossesS. Glenwood Hills Arroyo
Location0.7 M E of Juan Tabo
RouteCity Street 4048
Coordinates35.116, -106.5032
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionAugust 2023
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span30 ft (9.1 m)
Deck width76 ft (23.2 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,235 (2023)
Projected traffic9,839 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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-4048 over S. Glenwood Hills Arroyo built?

It was built in 1964, making it 61 years old in 2025.

What condition is FL-4048 over S. Glenwood Hills 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 August 2023.

How much traffic does FL-4048 over S. Glenwood Hills Arroyo carry?

About 7,235 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-4048 over S. Glenwood Hills Arroyo?

The structure is 32 ft (9.8 m) long with a longest span of 30 ft (9.1 m) and a deck 76 ft wide.

Who owns FL-4048 over S. Glenwood Hills Arroyo?

It is owned by the City or Municipal Highway Agency.