US Bridges

FL-5818 over Spring River

Fair

Chaves County, New Mexico · 50 N of 7th Street · Structure no. 000000000002391

Built
1955
70 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete Continuous
Length
32 ft
2 main spans
Daily traffic
2,570
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

FL-5818 over Spring River is a concrete continuous slab carrying FL-5818 over Spring River in Chaves County, New Mexico. It was built in 1955, so it is 70 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.

It carries about 2,570 vehicles a day, roughly 5% of them trucks, projected to reach 3,495 by 2043. The structure is 32 ft (9.8 m) long and 45 ft wide.

Location

Open in Google Maps
CarriesFL-5818
CrossesSpring River
Location50 N of 7th Street
RouteCity Street 5818
CountyChaves County
StateNew Mexico
Coordinates33.40013, -104.53181
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating32.2 US tons
Inventory rating30.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length32 ft (9.8 m)
Longest span16 ft (4.9 m)
Deck width45 ft (13.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,570 (2023)
Projected traffic3,495 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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$97,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-5818 over Spring River built?

It was built in 1955, making it 70 years old in 2025.

What condition is FL-5818 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 November 2023.

How much traffic does FL-5818 over Spring River carry?

About 2,570 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is FL-5818 over Spring River?

The structure is 32 ft (9.8 m) long with a longest span of 16 ft (4.9 m) and a deck 45 ft wide.

Who owns FL-5818 over Spring River?

It is owned by the City or Municipal Highway Agency.