US Bridges

NM-278 over Barranca Creek

Poor

Quay County, New Mexico · 11.0 MI S of JCT US-66 · Structure no. 000000000006141

Built
1960
65 years old
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
202 ft
5 main spans
Daily traffic
205
2023 count
Owner
State
State Highway Agency

About this bridge

NM-278 over Barranca Creek is a concrete continuous stringer/multi-beam or girder carrying NM-278 over Barranca Creek in Quay County, New Mexico. It was built in 1960, so it is 65 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 205 vehicles a day, roughly 11% of them trucks, projected to reach 278 by 2043. The structure is 202 ft (61.6 m) long and 26 ft wide. If it were closed, the detour would be 46 mi (74 km).

CarriesNM-278
CrossesBarranca Creek
Location11.0 MI S of JCT US-66
RouteState Highway 278
Coordinates35.04311, -103.56892
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating87.5 US tons
Inventory rating52.2 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length202 ft (61.6 m)
Longest span40 ft (12.2 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic205 (2023)
Projected traffic278 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 NM-278 over Barranca Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is NM-278 over Barranca Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2025.

How much traffic does NM-278 over Barranca Creek carry?

About 205 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is NM-278 over Barranca Creek?

The structure is 202 ft (61.6 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns NM-278 over Barranca Creek?

It is owned by the State Highway Agency.