US Bridges

FR-4102 over East Fork Pajarito Creek

Good

Guadalupe County, New Mexico · 3.1 MI E of JCT NM-129 · Structure no. 000000000005672

Built
1951
74 years old
Condition
Good
inspected February 2022
Type
Culvert
Concrete
Length
83 ft
7 main spans
Daily traffic
139
2023 count
Owner
State
State Highway Agency

About this bridge

FR-4102 over East Fork Pajarito Creek is a concrete culvert carrying FR-4102 over East Fork Pajarito Creek in Guadalupe County, New Mexico. It was built in 1951, so it is 74 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 83 ft (25.3 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesFR-4102
CrossesEast Fork Pajarito Creek
Location3.1 MI E of JCT NM-129
RouteState Highway 4102
Coordinates35.07006, -104.21195
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 inspectionFebruary 2022
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 rating92.8 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans7
Design loadHS 20
Structure length83 ft (25.3 m)
Longest span10 ft (3 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 East Fork Pajarito Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is FR-4102 over East Fork Pajarito 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 February 2022.

How much traffic does FR-4102 over East Fork Pajarito Creek carry?

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

How long is FR-4102 over East Fork Pajarito Creek?

The structure is 83 ft (25.3 m) long with a longest span of 10 ft (3 m).

Who owns FR-4102 over East Fork Pajarito Creek?

It is owned by the State Highway Agency.