US Bridges

43-0011 over Arroyo Hondo

Fair

Sandoval County, New Mexico · 3.5 M S JCT US-550/NM-197 · Structure no. 000000000001787

Built
1937
88 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
76 ft
3 main spans
Daily traffic
112
2023 count
Owner
County
County Highway Agency

About this bridge

43-0011 over Arroyo Hondo is a wood or timber stringer/multi-beam or girder carrying 43-0011 over Arroyo Hondo in Sandoval County, New Mexico. It was built in 1937, so it is 88 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 112 vehicles a day, roughly 11% of them trucks, projected to reach 152 by 2043. The structure is 76 ft (23.2 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Carries43-0011
CrossesArroyo Hondo
Location3.5 M S JCT US-550/NM-197
RouteCounty Highway 43011
Coordinates35.9651, -106.9517
Functional classRural Major 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
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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 12 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating23.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span25 ft (7.6 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2023)
Projected traffic152 by 2043
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$111,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 43-0011 over Arroyo Hondo built?

It was built in 1937, making it 88 years old in 2025.

What condition is 43-0011 over Arroyo Hondo 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 43-0011 over Arroyo Hondo carry?

About 112 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is 43-0011 over Arroyo Hondo?

The structure is 76 ft (23.2 m) long with a longest span of 25 ft (7.6 m) and a deck 24 ft wide.

Who owns 43-0011 over Arroyo Hondo?

It is owned by the County Highway Agency.