US Bridges

FL-4920 over Unnamed Waterway

Good

Otero County, New Mexico · 0.23 MI S of 1st Street · Structure no. 000000000009037

Built
1987
38 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2,426
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4920 over Unnamed Waterway is a concrete culvert carrying FL-4920 over Unnamed Waterway in Otero County, New Mexico. It was built in 1987, so it is 38 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 2,426 vehicles a day, roughly 5% of them trucks, projected to reach 3,299 by 2043. The structure is 21 ft (6.4 m) long.

Location

Open in Google Maps
CarriesFL-4920
CrossesUnnamed Waterway
Location0.23 MI S of 1st Street
RouteCity Street 4920
CountyOtero County
StateNew Mexico
Coordinates32.88658, -105.93015
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,426 (2023)
Projected traffic3,299 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-4920 over Unnamed Waterway built?

It was built in 1987, making it 38 years old in 2025.

What condition is FL-4920 over Unnamed Waterway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2022.

How much traffic does FL-4920 over Unnamed Waterway carry?

About 2,426 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-4920 over Unnamed Waterway?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns FL-4920 over Unnamed Waterway?

It is owned by the City or Municipal Highway Agency.