US Bridges

FL-4685 over Middle Berrendo Creek

Fair

Chaves County, New Mexico · 4.9 M N JCT US-285/US-380 · Structure no. 000000000007396

Built
1975
50 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
158 ft
5 main spans
Daily traffic
4,845
2023 count
Owner
State
State Highway Agency

About this bridge

FL-4685 over Middle Berrendo Creek is a concrete continuous slab carrying FL-4685 over Middle Berrendo Creek in Chaves County, New Mexico. It was built in 1975, so it is 50 years old, younger 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 4,845 vehicles a day, roughly 14% of them trucks, projected to reach 6,589 by 2043. The structure is 158 ft (48.2 m) long and 101 ft wide.

CarriesFL-4685
CrossesMiddle Berrendo Creek
Location4.9 M N JCT US-285/US-380
RouteCity Street 4685
Coordinates33.46514, -104.52239
Functional classUrban Other Principal 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
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.4 US tons
Inventory rating38 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length158 ft (48.2 m)
Longest span34 ft (10.4 m)
Deck width101 ft (30.8 m)
Roadway width98 ft (29.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,845 (2023)
Projected traffic6,589 by 2043
Trucks14%
Lanes on structure4
Traffic directionTwo-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 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-4685 over Middle Berrendo Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is FL-4685 over Middle Berrendo Creek 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 2024.

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

About 4,845 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is FL-4685 over Middle Berrendo Creek?

The structure is 158 ft (48.2 m) long with a longest span of 34 ft (10.4 m) and a deck 101 ft wide.

Who owns FL-4685 over Middle Berrendo Creek?

It is owned by the State Highway Agency.