US Bridges

FL-4710 over Rio Hondo

Fair

Chaves County, New Mexico · 0.2 MI N. of JCT US-380 · Structure no. 000000000009204

Built
1960
65 years old
Condition
Fair
inspected June 2023
Type
Channel Beam
Concrete
Length
33 ft
1 main span
Daily traffic
8,212
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4710 over Rio Hondo is a concrete channel beam carrying FL-4710 over Rio Hondo in Chaves County, New Mexico. It was built in 1960, so it is 65 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 8,212 vehicles a day, roughly 5% of them trucks, projected to reach 11,168 by 2043. The structure is 33 ft (10.1 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFL-4710
CrossesRio Hondo
Location0.2 MI N. of JCT US-380
RouteCity Street 4710
CountyChaves County
StateNew Mexico
Coordinates33.39701, -104.50551
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating28.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 15
Structure length33 ft (10.1 m)
Longest span28 ft (8.5 m)
Deck width54 ft (16.6 m)
Roadway width46 ft (13.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,212 (2023)
Projected traffic11,168 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-4710 over Rio Hondo built?

It was built in 1960, making it 65 years old in 2025.

What condition is FL-4710 over Rio Hondo 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 June 2023.

How much traffic does FL-4710 over Rio Hondo carry?

About 8,212 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-4710 over Rio Hondo?

The structure is 33 ft (10.1 m) long with a longest span of 28 ft (8.5 m) and a deck 54 ft wide.

Who owns FL-4710 over Rio Hondo?

It is owned by the City or Municipal Highway Agency.