US Bridges

I-40 Wbl over 8th Street in Santa Rosa

Fair

Guadalupe County, New Mexico · 1.1 MI E of JCT LOOP-35 · Structure no. 000000000007190

Built
1971
54 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
125 ft
3 main spans
Daily traffic
20,120
2023 count
Owner
State
State Highway Agency

About this bridge

I-40 Wbl over 8th Street in Santa Rosa is a prestressed concrete stringer/multi-beam or girder carrying I-40 Wbl over 8th Street in Santa Rosa in Guadalupe County, New Mexico. It was built in 1971, so it is 54 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 20,120 vehicles a day, roughly 45% of them trucks, projected to reach 27,363 by 2043. The structure is 125 ft (38.1 m) long and 45 ft wide.

CarriesI-40 Wbl
Crosses8th Street in Santa Rosa
Location1.1 MI E of JCT LOOP-35
RouteInterstate 40
Coordinates34.94795, -104.687
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.6 US tons
Inventory rating31.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span54 ft (16.5 m)
Deck width45 ft (13.7 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,120 (2023)
Projected traffic27,363 by 2043
Trucks45%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-40 Wbl over 8th Street in Santa Rosa built?

It was built in 1971, making it 54 years old in 2025.

What condition is I-40 Wbl over 8th Street in Santa Rosa 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 August 2023.

How much traffic does I-40 Wbl over 8th Street in Santa Rosa carry?

About 20,120 vehicles per day (2023 count), of which roughly 45% are trucks.

How long is I-40 Wbl over 8th Street in Santa Rosa?

The structure is 125 ft (38.1 m) long with a longest span of 54 ft (16.5 m) and a deck 45 ft wide.

Who owns I-40 Wbl over 8th Street in Santa Rosa?

It is owned by the State Highway Agency.