US Bridges

FR-4102 over Unnamed Waterway

Good

Quay County, New Mexico · 1.5 M E of Quay/Guadalupe · Structure no. 000000000005673

Built
1952
73 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
44 ft
5 main spans
Daily traffic
139
2023 count
Owner
State
State Highway Agency

About this bridge

FR-4102 over Unnamed Waterway is a concrete culvert carrying FR-4102 over Unnamed Waterway 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 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 139 vehicles a day, roughly 12% of them trucks, projected to reach 189 by 2043. The structure is 44 ft (13.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFR-4102
CrossesUnnamed Waterway
Location1.5 M E of Quay/Guadalupe
RouteCounty Highway 4102
CountyQuay County
StateNew Mexico
Coordinates35.08511, -104.10197
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 20
Structure length44 ft (13.4 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 statusNot eligible 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 Unnamed Waterway built?

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

What condition is FR-4102 over Unnamed Waterway 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 September 2023.

How much traffic does FR-4102 over Unnamed Waterway carry?

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

How long is FR-4102 over Unnamed Waterway?

The structure is 44 ft (13.4 m) long with a longest span of 6 ft (1.8 m).

Who owns FR-4102 over Unnamed Waterway?

It is owned by the State Highway Agency.