US Bridges

NM-605 over Rio San Jose

Fair

Cibola County, New Mexico · 0.05 MI N of JCT NM-122 · Structure no. 000000000007156

Built
1969
56 years old, rebuilt 1984
Condition
Fair
inspected May 2024
Type
Slab
Concrete Continuous
Length
67 ft
3 main spans
Daily traffic
2,527
2023 count
Owner
State
State Highway Agency

About this bridge

NM-605 over Rio San Jose is a concrete continuous slab carrying NM-605 over Rio San Jose in Cibola County, New Mexico. It was built in 1969 and reconstructed in 1984, so it is 56 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 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 2,527 vehicles a day, roughly 5% of them trucks, projected to reach 3,436 by 2043. The structure is 67 ft (20.4 m) long and 60 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNM-605
CrossesRio San Jose
Location0.05 MI N of JCT NM-122
RouteState Highway 605
Coordinates35.18616, -107.89707
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span23 ft (7 m)
Deck width60 ft (18.2 m)
Roadway width52 ft (15.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,527 (2023)
Projected traffic3,436 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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-605 over Rio San Jose built?

It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1984.

What condition is NM-605 over Rio San Jose 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 May 2024.

How much traffic does NM-605 over Rio San Jose carry?

About 2,527 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is NM-605 over Rio San Jose?

The structure is 67 ft (20.4 m) long with a longest span of 23 ft (7 m) and a deck 60 ft wide.

Who owns NM-605 over Rio San Jose?

It is owned by the State Highway Agency.