US Bridges

FR-4102 over Arroyo Laguna

Poor

Quay County, New Mexico · 2.9 MI E Quay/Quadalupe · Structure no. 000000000005238

Built
1952
73 years old
Condition
Poor
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
208 ft
5 main spans
Daily traffic
139
2023 count
Owner
State
State Highway Agency

About this bridge

FR-4102 over Arroyo Laguna is a steel continuous stringer/multi-beam or girder carrying FR-4102 over Arroyo Laguna in Quay County, New Mexico. It was built in 1952, so it is 73 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 139 vehicles a day, roughly 12% of them trucks, projected to reach 189 by 2043. The structure is 208 ft (63.4 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFR-4102
CrossesArroyo Laguna
Location2.9 MI E Quay/Quadalupe
RouteCounty Highway 41002
Coordinates35.09139, -104.07664
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.8 US tons
Inventory rating28.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span45 ft (13.7 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic139 (2023)
Projected traffic189 by 2043
Trucks12%
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

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FR-4102 over Arroyo Laguna built?

It was built in 1952, making it 73 years old in 2025.

What condition is FR-4102 over Arroyo Laguna in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does FR-4102 over Arroyo Laguna carry?

About 139 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is FR-4102 over Arroyo Laguna?

The structure is 208 ft (63.4 m) long with a longest span of 45 ft (13.7 m) and a deck 34 ft wide.

Who owns FR-4102 over Arroyo Laguna?

It is owned by the State Highway Agency.