US Bridges

FL-4685 over Berrendo Creek

Good

Chaves County, New Mexico · 3.5 M N JCT US380/ROSWELL · Structure no. 000000000006374

Built
1963
62 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
203 ft
3 main spans
Daily traffic
18,731
2023 count
Owner
State
State Highway Agency

About this bridge

FL-4685 over Berrendo Creek is a steel continuous stringer/multi-beam or girder carrying FL-4685 over Berrendo Creek in Chaves County, New Mexico. It was built in 1963, so it is 62 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 18,731 vehicles a day, roughly 13% of them trucks, projected to reach 25,474 by 2043. The structure is 203 ft (61.9 m) long and 40 ft wide.

CarriesFL-4685
CrossesBerrendo Creek
Location3.5 M N JCT US380/ROSWELL
RouteCity Street 4685
Coordinates33.44485, -104.52314
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating33.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length203 ft (61.9 m)
Longest span78 ft (23.8 m)
Deck width40 ft (12.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,731 (2023)
Projected traffic25,474 by 2043
Trucks13%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$598,000 (2020 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FL-4685 over Berrendo Creek built?

It was built in 1963, making it 62 years old in 2025.

What condition is FL-4685 over Berrendo Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does FL-4685 over Berrendo Creek carry?

About 18,731 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is FL-4685 over Berrendo Creek?

The structure is 203 ft (61.9 m) long with a longest span of 78 ft (23.8 m) and a deck 40 ft wide.

Who owns FL-4685 over Berrendo Creek?

It is owned by the State Highway Agency.