US Bridges

US-70 over Unnamed Waterway

Fair

Hidalgo County, New Mexico · 23.3 MI SE of Ariz Line · Structure no. 000000000006548

Built
1963
62 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
59 ft
9 main spans
Daily traffic
1,309
2023 count
Owner
State
State Highway Agency

About this bridge

US-70 over Unnamed Waterway is a concrete culvert carrying US-70 over Unnamed Waterway in Hidalgo County, New Mexico. It was built in 1963, so it is 62 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 6 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 1,309 vehicles a day, roughly 11% of them trucks, projected to reach 1,780 by 2043. The structure is 59 ft (17.9 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUS-70
CrossesUnnamed Waterway
Location23.3 MI SE of Ariz Line
RouteU.S. Route 70
Coordinates32.42047, -108.75616
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.8 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans9
Design loadHS 20
Structure length59 ft (17.9 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,309 (2023)
Projected traffic1,780 by 2043
Trucks11%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US-70 over Unnamed Waterway built?

It was built in 1963, making it 62 years old in 2025.

What condition is US-70 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 2023.

How much traffic does US-70 over Unnamed Waterway carry?

About 1,309 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US-70 over Unnamed Waterway?

The structure is 59 ft (17.9 m) long with a longest span of 6 ft (1.8 m).

Who owns US-70 over Unnamed Waterway?

It is owned by the State Highway Agency.