US Bridges

33-A040 over Unnamed Waterway

Good

Mora County, New Mexico · 0.9 M W JCT NM434 @MP14.3 · Structure no. 000000000008522

Built
1983
42 years old
Condition
Good
inspected August 2024
Type
Tee Beam
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
189
2023 count
Owner
County
County Highway Agency

About this bridge

33-A040 over Unnamed Waterway is a prestressed concrete tee beam carrying 33-A040 over Unnamed Waterway in Mora County, New Mexico. It was built in 1983, so it is 42 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 189 vehicles a day, projected to reach 257 by 2043. The structure is 28 ft (8.5 m) long and 24 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Carries33-A040
CrossesUnnamed Waterway
Location0.9 M W JCT NM434 @MP14.3
RouteCounty Highway 33040
Coordinates36.14753, -105.25518
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating78.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width24 ft (7.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic189 (2023)
Projected traffic257 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-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$40,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 33-A040 over Unnamed Waterway built?

It was built in 1983, making it 42 years old in 2025.

What condition is 33-A040 over Unnamed Waterway in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does 33-A040 over Unnamed Waterway carry?

About 189 vehicles per day (2023 count).

How long is 33-A040 over Unnamed Waterway?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 24 ft wide.

Who owns 33-A040 over Unnamed Waterway?

It is owned by the County Highway Agency.