US Bridges

45-3000 over Jones Arroyo

Fair

San Juan County, New Mexico · 4.10 West of JCT US 550 · Structure no. 000000000003121

Built
1970
55 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
39 ft
1 main span
Daily traffic
2,303
2023 count
Owner
County
County Highway Agency

About this bridge

45-3000 over Jones Arroyo is a steel stringer/multi-beam or girder carrying 45-3000 over Jones Arroyo in San Juan County, New Mexico. It was built in 1970, so it is 55 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 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 2,303 vehicles a day, roughly 11% of them trucks, projected to reach 3,132 by 2043. The structure is 39 ft (11.9 m) long and 43 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Carries45-3000
CrossesJones Arroyo
Location4.10 West of JCT US 550
RouteCounty Highway 45002
Coordinates36.79256, -108.06223
Functional classRural Minor Arterial

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.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating76.8 US tons
Inventory rating55.3 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length39 ft (11.9 m)
Longest span38 ft (11.6 m)
Deck width43 ft (13.2 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,303 (2023)
Projected traffic3,132 by 2043
Trucks11%
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

OwnerCounty Highway Agency
Maintained byCounty 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 45-3000 over Jones Arroyo built?

It was built in 1970, making it 55 years old in 2025.

What condition is 45-3000 over Jones Arroyo 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 45-3000 over Jones Arroyo carry?

About 2,303 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is 45-3000 over Jones Arroyo?

The structure is 39 ft (11.9 m) long with a longest span of 38 ft (11.6 m) and a deck 43 ft wide.

Who owns 45-3000 over Jones Arroyo?

It is owned by the County Highway Agency.