US Bridges

31-MC10 over Bread Spring Wash

FairClosed to traffic

McKinley County, New Mexico · 1 MI E NM-602 @ MP-22.9 · Structure no. 000000000008999

Built
1996
29 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
96 ft
6 main spans
Daily traffic
337
2023 count
Owner
County
County Highway Agency

About this bridge

31-MC10 over Bread Spring Wash is a steel continuous stringer/multi-beam or girder carrying 31-MC10 over Bread Spring Wash in McKinley County, New Mexico. It was built in 1996, so it is 29 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: closed to all traffic.

It carries about 337 vehicles a day, projected to reach 458 by 2043. The structure is 96 ft (29.2 m) long and 14 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries31-MC10
CrossesBread Spring Wash
Location1 MI E NM-602 @ MP-22.9
RouteCounty Highway 31010
CountyMcKinley County
StateNew Mexico
Coordinates35.42244, -108.72295
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating51.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckOpen grating
Main spans6
Design loadHS 20
Structure length96 ft (29.2 m)
Longest span20 ft (6.2 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic337 (2023)
Projected traffic458 by 2043
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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$80,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 31-MC10 over Bread Spring Wash built?

It was built in 1996, making it 29 years old in 2025.

What condition is 31-MC10 over Bread Spring Wash 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 2024.

How much traffic does 31-MC10 over Bread Spring Wash carry?

About 337 vehicles per day (2023 count).

How long is 31-MC10 over Bread Spring Wash?

The structure is 96 ft (29.2 m) long with a longest span of 20 ft (6.2 m) and a deck 14 ft wide.

Who owns 31-MC10 over Bread Spring Wash?

It is owned by the County Highway Agency.