US Bridges

37-QR-AR over Unnamed Waterway

FairPosted for load

Quay County, New Mexico · 1.8 MI S JCT NM-104 · Structure no. 000000000007673

Built
1940
85 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
57 ft
2 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

37-QR-AR over Unnamed Waterway is a wood or timber stringer/multi-beam or girder carrying 37-QR-AR over Unnamed Waterway in Quay 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. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, projected to reach 136 by 2043. The structure is 57 ft (17.4 m) long and 25 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Carries37-QR-AR
CrossesUnnamed Waterway
Location1.8 MI S JCT NM-104
RouteCounty Highway 37002
Coordinates35.20796, -103.77291
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 18 months
Operating statusPosted for load 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating25 US tons
Inventory rating17.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadUnknown
Structure length57 ft (17.4 m)
Longest span27 ft (8.2 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic136 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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$85,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 37-QR-AR over Unnamed Waterway built?

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

What condition is 37-QR-AR over Unnamed Waterway 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 37-QR-AR over Unnamed Waterway carry?

About 100 vehicles per day (2023 count).

How long is 37-QR-AR over Unnamed Waterway?

The structure is 57 ft (17.4 m) long with a longest span of 27 ft (8.2 m) and a deck 25 ft wide.

Who owns 37-QR-AR over Unnamed Waterway?

It is owned by the County Highway Agency.