US Bridges

07-A007 over Unnamed Waterway

Good

Colfax County, New Mexico · 10.9 MI E of I-25/MAXWELL · Structure no. 000000000008525

Built
1983
42 years old
Condition
Good
inspected February 2025
Type
Tee Beam
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
31
2023 count
Owner
County
County Highway Agency

About this bridge

07-A007 over Unnamed Waterway is a prestressed concrete tee beam carrying 07-A007 over Unnamed Waterway in Colfax 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 31 vehicles a day, roughly 9% of them trucks, projected to reach 42 by 2043. The structure is 43 ft (13.1 m) long and 24 ft wide. If it were closed, the detour would be 46 mi (74 km).

Carries07-A007
CrossesUnnamed Waterway
Location10.9 MI E of I-25/MAXWELL
RouteCounty Highway 7007
Coordinates36.52312, -104.35799
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 protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being 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 20
Structure length43 ft (13.1 m)
Longest span42 ft (12.8 m)
Deck width24 ft (7.4 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2023)
Projected traffic42 by 2043
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed46 mi (74 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$62,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 07-A007 over Unnamed Waterway built?

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

What condition is 07-A007 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 February 2025.

How much traffic does 07-A007 over Unnamed Waterway carry?

About 31 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is 07-A007 over Unnamed Waterway?

The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.8 m) and a deck 24 ft wide.

Who owns 07-A007 over Unnamed Waterway?

It is owned by the County Highway Agency.