US Bridges

FL-4804 over Santa Fe River

Fair

Santa Fe County, New Mexico · W Alameda & Camino Alire · Structure no. 000000000009405

Built
2007
18 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
118 ft
1 main span
Daily traffic
6,167
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4804 over Santa Fe River is a prestressed concrete box beam or girders - multiple carrying FL-4804 over Santa Fe River in Santa Fe County, New Mexico. It was built in 2007, so it is 18 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 6,167 vehicles a day, roughly 5% of them trucks, projected to reach 8,387 by 2043. The structure is 118 ft (36 m) long and 50 ft wide.

CarriesFL-4804
CrossesSanta Fe River
LocationW Alameda & Camino Alire
RouteCity Street 4804
Coordinates35.6847, -105.96703
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
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 rating59 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length118 ft (36 m)
Longest span105 ft (32 m)
Deck width50 ft (15.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,167 (2023)
Projected traffic8,387 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-4804 over Santa Fe River built?

It was built in 2007, making it 18 years old in 2025.

What condition is FL-4804 over Santa Fe River 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 FL-4804 over Santa Fe River carry?

About 6,167 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-4804 over Santa Fe River?

The structure is 118 ft (36 m) long with a longest span of 105 ft (32 m) and a deck 50 ft wide.

Who owns FL-4804 over Santa Fe River?

It is owned by the City or Municipal Highway Agency.