US Bridges

59-B034 over Dry Cimarron River

Fair

Union County, New Mexico · 0.2 M S NM-456 @ MP 10.1 · Structure no. 000000000008039

Built
1940
85 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
41 ft
2 main spans
Daily traffic
57
2023 count
Owner
County
County Highway Agency

About this bridge

59-B034 over Dry Cimarron River is a wood or timber stringer/multi-beam or girder carrying 59-B034 over Dry Cimarron River in Union County, New Mexico. It was built in 1940, so it is 85 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 57 vehicles a day, projected to reach 77 by 2043. The structure is 41 ft (12.5 m) long and 17 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Carries59-B034
CrossesDry Cimarron River
Location0.2 M S NM-456 @ MP 10.1
RouteCounty Highway 59034
Coordinates36.90704, -103.80373
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
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length41 ft (12.5 m)
Longest span19 ft (5.8 m)
Deck width17 ft (5.2 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57 (2023)
Projected traffic77 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$41,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 59-B034 over Dry Cimarron River built?

It was built in 1940, making it 85 years old in 2025.

What condition is 59-B034 over Dry Cimarron River 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 April 2024.

How much traffic does 59-B034 over Dry Cimarron River carry?

About 57 vehicles per day (2023 count).

How long is 59-B034 over Dry Cimarron River?

The structure is 41 ft (12.5 m) long with a longest span of 19 ft (5.8 m) and a deck 17 ft wide.

Who owns 59-B034 over Dry Cimarron River?

It is owned by the County Highway Agency.