US Bridges

FL-4801 over Arroyo De LA Piedra

Fair

Santa Fe County, New Mexico · .4 MI N Washington Ave. · Structure no. 000000000005588

Built
1955
70 years old
Condition
Fair
inspected November 2021
Type
Culvert
Concrete
Length
89 ft
7 main spans
Daily traffic
5,737
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4801 over Arroyo De LA Piedra is a concrete culvert carrying FL-4801 over Arroyo De LA Piedra in Santa Fe County, New Mexico. It was built in 1955, so it is 70 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 5,737 vehicles a day, roughly 5% of them trucks, projected to reach 7,802 by 2043. The structure is 89 ft (27.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFL-4801
CrossesArroyo De LA Piedra
Location.4 MI N Washington Ave.
RouteCity Street 4801
Coordinates35.69557, -105.93187
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 alignment7: Better than present minimum criteria
Operating rating57.1 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans7
Design loadH 15
Structure length89 ft (27.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,737 (2023)
Projected traffic7,802 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$394,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FL-4801 over Arroyo De LA Piedra built?

It was built in 1955, making it 70 years old in 2025.

What condition is FL-4801 over Arroyo De LA Piedra 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 November 2021.

How much traffic does FL-4801 over Arroyo De LA Piedra carry?

About 5,737 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-4801 over Arroyo De LA Piedra?

The structure is 89 ft (27.1 m) long with a longest span of 8 ft (2.4 m).

Who owns FL-4801 over Arroyo De LA Piedra?

It is owned by the City or Municipal Highway Agency.