US Bridges

45-7150 over Gallegos Wash

Good

San Juan County, New Mexico · 6.74 MI SW of JCT US 550 · Structure no. 000000000009586

Built
2015
10 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
354 ft
3 main spans
Daily traffic
681
2023 count
Owner
County
County Highway Agency

About this bridge

45-7150 over Gallegos Wash is a prestressed concrete continuous stringer/multi-beam or girder carrying 45-7150 over Gallegos Wash in San Juan County, New Mexico. It was built in 2015, so it is 10 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 681 vehicles a day, projected to reach 926 by 2043. The structure is 354 ft (107.9 m) long and 38 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
Carries45-7150
CrossesGallegos Wash
Location6.74 MI SW of JCT US 550
RouteCounty Highway 45150
CountySan Juan County
StateNew Mexico
Coordinates36.45649, -108.00779
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating80.5 US tons
Inventory rating50.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length354 ft (107.9 m)
Longest span118 ft (36 m)
Deck width38 ft (11.6 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic681 (2023)
Projected traffic926 by 2043
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$884,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 45-7150 over Gallegos Wash built?

It was built in 2015, making it 10 years old in 2025.

What condition is 45-7150 over Gallegos Wash 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 May 2023.

How much traffic does 45-7150 over Gallegos Wash carry?

About 681 vehicles per day (2023 count).

How long is 45-7150 over Gallegos Wash?

The structure is 354 ft (107.9 m) long with a longest span of 118 ft (36 m) and a deck 38 ft wide.

Who owns 45-7150 over Gallegos Wash?

It is owned by the County Highway Agency.