US Bridges

FL-5663 over Pajarito Arroyo

Fair

San Miguel County, New Mexico · 0.1 MI N of Independence · Structure no. 000000000001550

Built
1911
114 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
2,136
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-5663 over Pajarito Arroyo is a concrete slab carrying FL-5663 over Pajarito Arroyo in San Miguel County, New Mexico. It was built in 1911, so it is 114 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 5 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 2,136 vehicles a day, roughly 5% of them trucks, projected to reach 2,904 by 2043. The structure is 23 ft (7 m) long and 43 ft wide.

CarriesFL-5663
CrossesPajarito Arroyo
Location0.1 MI N of Independence
RouteCity Street 5663
Coordinates35.58753, -105.22422
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span22 ft (6.7 m)
Deck width43 ft (13 m)
Roadway width37 ft (11.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,136 (2023)
Projected traffic2,904 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-5663 over Pajarito Arroyo built?

It was built in 1911, making it 114 years old in 2025.

What condition is FL-5663 over Pajarito Arroyo 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 January 2024.

How much traffic does FL-5663 over Pajarito Arroyo carry?

About 2,136 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-5663 over Pajarito Arroyo?

The structure is 23 ft (7 m) long with a longest span of 22 ft (6.7 m) and a deck 43 ft wide.

Who owns FL-5663 over Pajarito Arroyo?

It is owned by the City or Municipal Highway Agency.