US Bridges

Ammo Road over Small Local Arroyo

FairPosted for load

Bernalillo County, New Mexico · 0.3 Miles South of Kirtla · Structure no. AFNMMHMV26052

Built
2018
7 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
75
2019 count
Owner
Federal
Air Force

About this bridge

Ammo Road over Small Local Arroyo is a prestressed concrete slab carrying Ammo Road over Small Local Arroyo in Bernalillo County, New Mexico. It was built in 2018, so it is 7 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for other load-capacity restriction.

It carries about 75 vehicles a day, projected to reach 90 by 2039. The structure is 43 ft (13.1 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesAmmo Road
CrossesSmall Local Arroyo
Location0.3 Miles South of Kirtla
RouteFederal Lands Road 0
CountyBernalillo County
StateNew Mexico
Coordinates35.03729, -106.58214
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length43 ft (13.1 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2019)
Projected traffic90 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerAir Force
Maintained byAir Force
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$15,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Ammo Road over Small Local Arroyo built?

It was built in 2018, making it 7 years old in 2025.

What condition is Ammo Road over Small Local 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 September 2024.

How much traffic does Ammo Road over Small Local Arroyo carry?

About 75 vehicles per day (2019 count).

How long is Ammo Road over Small Local Arroyo?

The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns Ammo Road over Small Local Arroyo?

It is owned by the Air Force.