US Bridges

FL-4799 over Santa Fe River

FairPosted for load

Santa Fe County, New Mexico · W Alameda & Don Gaspar · Structure no. 000000000003023

Built
1934
91 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
58 ft
1 main span
Daily traffic
1,371
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4799 over Santa Fe River is a concrete slab carrying FL-4799 over Santa Fe River in Santa Fe County, New Mexico. It was built in 1934, so it is 91 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. Its operating status is: posted for other load-capacity restriction.

It carries about 1,371 vehicles a day, roughly 5% of them trucks, projected to reach 1,864 by 2043. The structure is 58 ft (17.7 m) long and 57 ft wide.

Location

Open in Google Maps
CarriesFL-4799
CrossesSanta Fe River
LocationW Alameda & Don Gaspar
RouteCity Street 4799
CountySanta Fe County
StateNew Mexico
Coordinates35.68495, -105.94025
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating50 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length58 ft (17.7 m)
Longest span50 ft (15.2 m)
Deck width57 ft (17.5 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,371 (2023)
Projected traffic1,864 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 statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$205,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-4799 over Santa Fe River built?

It was built in 1934, making it 91 years old in 2025.

What condition is FL-4799 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 January 2024.

How much traffic does FL-4799 over Santa Fe River carry?

About 1,371 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-4799 over Santa Fe River?

The structure is 58 ft (17.7 m) long with a longest span of 50 ft (15.2 m) and a deck 57 ft wide.

Who owns FL-4799 over Santa Fe River?

It is owned by the City or Municipal Highway Agency.