US Bridges

49-Z006 over Santa Cruz River

Fair

Santa Fe County, New Mexico · 0.7 M S of Nm 76 & CR 94 · Structure no. 000000000008387

Built
1980
45 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Prestressed Concrete
Length
52 ft
1 main span
Daily traffic
328
2023 count
Owner
County
County Highway Agency

About this bridge

49-Z006 over Santa Cruz River is a prestressed concrete tee beam carrying 49-Z006 over Santa Cruz River in Santa Fe County, New Mexico. It was built in 1980, so it is 45 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 5 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 328 vehicles a day, projected to reach 446 by 2043. The structure is 52 ft (16 m) long and 20 ft wide.

Carries49-Z006
CrossesSanta Cruz River
Location0.7 M S of Nm 76 & CR 94
RouteCounty Highway 49006
Coordinates35.99646, -105.9432
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length52 ft (16 m)
Longest span49 ft (14.9 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic328 (2023)
Projected traffic446 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$61,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 49-Z006 over Santa Cruz River built?

It was built in 1980, making it 45 years old in 2025.

What condition is 49-Z006 over Santa Cruz River 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 March 2024.

How much traffic does 49-Z006 over Santa Cruz River carry?

About 328 vehicles per day (2023 count).

How long is 49-Z006 over Santa Cruz River?

The structure is 52 ft (16 m) long with a longest span of 49 ft (14.9 m) and a deck 20 ft wide.

Who owns 49-Z006 over Santa Cruz River?

It is owned by the County Highway Agency.