US Bridges

FL-4251 over Dark Canyon

Good

Eddy County, New Mexico · 0.44 M S JCT US62/285 · Structure no. 000000000009649

Built
2014
11 years old
Condition
Good
inspected January 2023
Type
Culvert
Concrete
Length
148 ft
12 main spans
Daily traffic
14,020
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4251 over Dark Canyon is a concrete culvert carrying FL-4251 over Dark Canyon in Eddy County, New Mexico. It was built in 2014, so it is 11 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 14,020 vehicles a day, roughly 5% of them trucks, projected to reach 19,067 by 2043. The structure is 148 ft (45.1 m) long and 63 ft wide.

CarriesFL-4251
CrossesDark Canyon
Location0.44 M S JCT US62/285
RouteCity Street 4251
Coordinates32.4043, -104.2289
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans12
Design loadHL 93
Structure length148 ft (45.1 m)
Longest span10 ft (3 m)
Deck width63 ft (19.2 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,020 (2023)
Projected traffic19,067 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was FL-4251 over Dark Canyon built?

It was built in 2014, making it 11 years old in 2025.

What condition is FL-4251 over Dark Canyon 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 January 2023.

How much traffic does FL-4251 over Dark Canyon carry?

About 14,020 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-4251 over Dark Canyon?

The structure is 148 ft (45.1 m) long with a longest span of 10 ft (3 m) and a deck 63 ft wide.

Who owns FL-4251 over Dark Canyon?

It is owned by the City or Municipal Highway Agency.