US Bridges

IT-4158 over 6 TH Street

Fair

Bernalillo County, New Mexico · 1.11 MI W JCT I-25 & · Structure no. 000000000009904

Built
2002
23 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
176 ft
3 main spans
Daily traffic
10,862
2023 count
Owner
State
State Highway Agency

About this bridge

IT-4158 over 6 TH Street is a prestressed concrete stringer/multi-beam or girder carrying IT-4158 over 6 TH Street in Bernalillo County, New Mexico. It was built in 2002, so it is 23 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.

It carries about 10,862 vehicles a day, roughly 14% of them trucks, projected to reach 14,772 by 2043. The structure is 176 ft (53.6 m) long and 33 ft wide.

CarriesIT-4158
Crosses6 TH Street
Location1.11 MI W JCT I-25 &
RouteInterstate 4158
Coordinates35.10696, -106.65004
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating107 US tons
Inventory rating49.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length176 ft (53.6 m)
Longest span107 ft (32.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,862 (2023)
Projected traffic14,772 by 2043
Trucks14%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IT-4158 over 6 TH Street built?

It was built in 2002, making it 23 years old in 2025.

What condition is IT-4158 over 6 TH Street 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 July 2024.

How much traffic does IT-4158 over 6 TH Street carry?

About 10,862 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is IT-4158 over 6 TH Street?

The structure is 176 ft (53.6 m) long with a longest span of 107 ft (32.6 m) and a deck 33 ft wide.

Who owns IT-4158 over 6 TH Street?

It is owned by the State Highway Agency.