US Bridges

FL-4920 over Mckinley Ditch

Fair

Otero County, New Mexico · 200 N of FK5902 · Structure no. 000000000009428

Built
1970
55 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
7,578
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4920 over Mckinley Ditch is a concrete culvert carrying FL-4920 over Mckinley Ditch in Otero County, New Mexico. It was built in 1970, so it is 55 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 7,578 vehicles a day, roughly 5% of them trucks, projected to reach 10,306 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesFL-4920
CrossesMckinley Ditch
Location200 N of FK5902
RouteCity Street 4920
CountyOtero County
StateNew Mexico
Coordinates32.91822, -105.92582
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 inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59 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 traffic7,578 (2023)
Projected traffic10,306 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-4920 over Mckinley Ditch built?

It was built in 1970, making it 55 years old in 2025.

What condition is FL-4920 over Mckinley Ditch 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 February 2024.

How much traffic does FL-4920 over Mckinley Ditch carry?

About 7,578 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-4920 over Mckinley Ditch?

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

Who owns FL-4920 over Mckinley Ditch?

It is owned by the City or Municipal Highway Agency.