US Bridges

FL-4710 over Spring River

Fair

Chaves County, New Mexico · 800 S of College Blvd · Structure no. 000000000009088

Built
1930
95 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
66 ft
2 main spans
Daily traffic
8,538
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-4710 over Spring River is a concrete tee beam carrying FL-4710 over Spring River in Chaves County, New Mexico. It was built in 1930, so it is 95 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 8,538 vehicles a day, roughly 5% of them trucks, projected to reach 11,611 by 2043. The structure is 66 ft (20.1 m) long and 54 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesFL-4710
CrossesSpring River
Location800 S of College Blvd
RouteCity Street 4710
CountyChaves County
StateNew Mexico
Coordinates33.4065, -104.50567
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating30.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length66 ft (20.1 m)
Longest span33 ft (10.1 m)
Deck width54 ft (16.5 m)
Roadway width43 ft (13.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,538 (2023)
Projected traffic11,611 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 Spring River built?

It was built in 1930, making it 95 years old in 2025.

What condition is FL-4710 over Spring 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 September 2024.

How much traffic does FL-4710 over Spring River carry?

About 8,538 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-4710 over Spring River?

The structure is 66 ft (20.1 m) long with a longest span of 33 ft (10.1 m) and a deck 54 ft wide.

Who owns FL-4710 over Spring River?

It is owned by the City or Municipal Highway Agency.