US Bridges

FL-5788 over Arroyo De Las Mascaras

FairPosted for load

Santa Fe County, New Mexico · JCT Grant/Rosario · Structure no. 000000000000701

Built
1920
105 years old
Condition
Fair
inspected October 2023
Type
Arch - Thru
Concrete
Length
56 ft
1 main span
Daily traffic
5,291
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-5788 over Arroyo De Las Mascaras is a concrete arch - thru carrying FL-5788 over Arroyo De Las Mascaras in Santa Fe County, New Mexico. It was built in 1920, so it is 105 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. Its operating status is: posted for load restriction.

It carries about 5,291 vehicles a day, roughly 5% of them trucks, projected to reach 7,195 by 2043. The structure is 56 ft (17 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFL-5788
CrossesArroyo De Las Mascaras
LocationJCT Grant/Rosario
RouteCity Street 5788
CountySanta Fe County
StateNew Mexico
Coordinates35.69284, -105.93944
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating26.8 US tons
Inventory rating17.9 US tons

Structure

Structure typeArch - Thru
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length56 ft (17 m)
Longest span56 ft (17 m)
Deck width30 ft (9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,291 (2023)
Projected traffic7,195 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$147,000 (2030 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-5788 over Arroyo De Las Mascaras built?

It was built in 1920, making it 105 years old in 2025.

What condition is FL-5788 over Arroyo De Las Mascaras 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 October 2023.

How much traffic does FL-5788 over Arroyo De Las Mascaras carry?

About 5,291 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-5788 over Arroyo De Las Mascaras?

The structure is 56 ft (17 m) long with a longest span of 56 ft (17 m) and a deck 30 ft wide.

Who owns FL-5788 over Arroyo De Las Mascaras?

It is owned by the City or Municipal Highway Agency.