US Bridges

NM-159 over Silver Creek

Fair

Catron County, New Mexico · 9.1 M N of US-180 · Structure no. 000000000009714

Built
2017
8 years old
Condition
Fair
inspected October 2023
Type
Slab
Concrete
Length
34 ft
1 main span
Daily traffic
150
2018 count
Owner
State
State Highway Agency

About this bridge

NM-159 over Silver Creek is a concrete slab carrying NM-159 over Silver Creek in Catron County, New Mexico. It was built in 2017, so it is 8 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 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 150 vehicles a day, projected to reach 200 by 2038. The structure is 34 ft (10.4 m) long and 28 ft wide. If it were closed, the detour would be 100 mi (161 km).

CarriesNM-159
CrossesSilver Creek
Location9.1 M N of US-180
RouteState Highway 159
Coordinates33.39786, -108.79789
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating105.8 US tons
Inventory rating63.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width28 ft (8.4 m)
Roadway width17 ft (5.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2018)
Projected traffic200 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed100 mi (161 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NM-159 over Silver Creek built?

It was built in 2017, making it 8 years old in 2025.

What condition is NM-159 over Silver Creek 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 October 2023.

How much traffic does NM-159 over Silver Creek carry?

About 150 vehicles per day (2018 count).

How long is NM-159 over Silver Creek?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 28 ft wide.

Who owns NM-159 over Silver Creek?

It is owned by the State Highway Agency.