US Bridges

US-56 over Carrizo Creek

Good

Union County, New Mexico · 10.7 Mi. E of Jct. NM-453 · Structure no. 000000000008996

Built
2001
24 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
198 ft
2 main spans
Daily traffic
500
2023 count
Owner
State
State Highway Agency

About this bridge

US-56 over Carrizo Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US-56 over Carrizo Creek in Union County, New Mexico. It was built in 2001, so it is 24 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 500 vehicles a day, roughly 12% of them trucks, projected to reach 680 by 2043. The structure is 198 ft (60.4 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS-56
CrossesCarrizo Creek
Location10.7 Mi. E of Jct. NM-453
RouteU.S. Route 56
Coordinates36.35395, -103.46828
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.3 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length198 ft (60.4 m)
Longest span99 ft (30.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic680 by 2043
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 US-56 over Carrizo Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is US-56 over Carrizo Creek 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 December 2024.

How much traffic does US-56 over Carrizo Creek carry?

About 500 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US-56 over Carrizo Creek?

The structure is 198 ft (60.4 m) long with a longest span of 99 ft (30.2 m) and a deck 43 ft wide.

Who owns US-56 over Carrizo Creek?

It is owned by the State Highway Agency.