US Bridges

L-00015 over Gallinas River

Good

San Miguel County, New Mexico · 0.3 MI S of JCT NM-329 · Structure no. 000000000008617

Built
1987
38 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
245 ft
3 main spans
Daily traffic
5,878
2023 count
Owner
State
State Highway Agency

About this bridge

L-00015 over Gallinas River is a prestressed concrete continuous stringer/multi-beam or girder carrying L-00015 over Gallinas River in San Miguel County, New Mexico. It was built in 1987, so it is 38 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 5,878 vehicles a day, roughly 13% of them trucks, projected to reach 7,994 by 2043. The structure is 245 ft (74.7 m) long and 72 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesL-00015
CrossesGallinas River
Location0.3 MI S of JCT NM-329
RouteState Highway 15
Coordinates35.58617, -105.21698
Functional classUrban Other Principal 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length245 ft (74.7 m)
Longest span78 ft (23.8 m)
Deck width72 ft (21.9 m)
Roadway width64 ft (19.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,878 (2023)
Projected traffic7,994 by 2043
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was L-00015 over Gallinas River built?

It was built in 1987, making it 38 years old in 2025.

What condition is L-00015 over Gallinas River 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 June 2023.

How much traffic does L-00015 over Gallinas River carry?

About 5,878 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is L-00015 over Gallinas River?

The structure is 245 ft (74.7 m) long with a longest span of 78 ft (23.8 m) and a deck 72 ft wide.

Who owns L-00015 over Gallinas River?

It is owned by the State Highway Agency.