US Bridges

FL-4805 over Santa Fe River

Fair

Santa Fe County, New Mexico · JCT Alameda/Camino Cabra · Structure no. 000000000008359

Built
1979
46 years old
Condition
Fair
inspected April 2024
Type
Frame
Concrete
Length
48 ft
1 main span
Daily traffic
3,979
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4805 over Santa Fe River is a concrete frame carrying FL-4805 over Santa Fe River in Santa Fe County, New Mexico. It was built in 1979, so it is 46 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 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 3,979 vehicles a day, roughly 5% of them trucks, projected to reach 5,411 by 2043. The structure is 48 ft (14.6 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFL-4805
CrossesSanta Fe River
LocationJCT Alameda/Camino Cabra
RouteCity Street 4805
CountySanta Fe County
StateNew Mexico
Coordinates35.68027, -105.91727
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating46.8 US tons
Inventory rating28.8 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span43 ft (13.1 m)
Deck width37 ft (11.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,979 (2023)
Projected traffic5,411 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$127,000 (2030 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FL-4805 over Santa Fe River built?

It was built in 1979, making it 46 years old in 2025.

What condition is FL-4805 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 April 2024.

How much traffic does FL-4805 over Santa Fe River carry?

About 3,979 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-4805 over Santa Fe River?

The structure is 48 ft (14.6 m) long with a longest span of 43 ft (13.1 m) and a deck 37 ft wide.

Who owns FL-4805 over Santa Fe River?

It is owned by the City or Municipal Highway Agency.