US Bridges

43-OS39 over Jemez Creek

FairPosted for load

Sandoval County, New Mexico · 0.1 MI E NM-4 @ MP-20.2 · Structure no. 000000000008071

Built
1972
53 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
102
2023 count
Owner
County
County Highway Agency

About this bridge

43-OS39 over Jemez Creek is a steel stringer/multi-beam or girder carrying 43-OS39 over Jemez Creek in Sandoval County, New Mexico. It was built in 1972, so it is 53 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. Its operating status is: posted for load restriction.

It carries about 102 vehicles a day, projected to reach 138 by 2043. The structure is 50 ft (15.2 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Carries43-OS39
CrossesJemez Creek
Location0.1 MI E NM-4 @ MP-20.2
RouteCounty Highway 43039
Coordinates35.80432, -106.6793
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.
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating23.6 US tons
Inventory rating17.6 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width16 ft (4.8 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic102 (2023)
Projected traffic138 by 2043
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$46,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 43-OS39 over Jemez Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is 43-OS39 over Jemez Creek 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 June 2023.

How much traffic does 43-OS39 over Jemez Creek carry?

About 102 vehicles per day (2023 count).

How long is 43-OS39 over Jemez Creek?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 16 ft wide.

Who owns 43-OS39 over Jemez Creek?

It is owned by the County Highway Agency.