US Bridges

FL-4005 over Unnamed Waterway

Fair

Bernalillo County, New Mexico · 0.2 M N JCT I40 & 98T · Structure no. 000000000007406

Built
1969
56 years old
Condition
Fair
inspected December 2021
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
5,412
2023 count
Owner
State
State Highway Agency

About this bridge

FL-4005 over Unnamed Waterway is a concrete culvert carrying FL-4005 over Unnamed Waterway in Bernalillo County, New Mexico. It was built in 1969, so it is 56 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 5,412 vehicles a day, roughly 5% of them trucks, projected to reach 7,360 by 2043. The structure is 23 ft (7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFL-4005
CrossesUnnamed Waterway
Location0.2 M N JCT I40 & 98T
RouteCity Street 4005
Coordinates35.08846, -106.74742
Functional classUrban 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 inspectionDecember 2021
Inspection intervalevery 48 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 rating59 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,412 (2023)
Projected traffic7,360 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 FL-4005 over Unnamed Waterway built?

It was built in 1969, making it 56 years old in 2025.

What condition is FL-4005 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 December 2021.

How much traffic does FL-4005 over Unnamed Waterway carry?

About 5,412 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-4005 over Unnamed Waterway?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns FL-4005 over Unnamed Waterway?

It is owned by the State Highway Agency.