US Bridges

Fdr 103 over Rio Puerco

Poor

Rio Arriba County, New Mexico · At Rio Puerco Cg · Structure no. 031001000001102

Built
1976
49 years old
Condition
Poor
inspected June 2023
Type
Tee Beam
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
50
2021 count
Owner
Federal
U.S. Forest Service

About this bridge

Fdr 103 over Rio Puerco is a prestressed concrete tee beam carrying Fdr 103 over Rio Puerco in Rio Arriba County, New Mexico. It was built in 1976, so it is 49 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 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 50 vehicles a day, projected to reach 99 by 2042. The structure is 26 ft (7.9 m) long and 22 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFdr 103
CrossesRio Puerco
LocationAt Rio Puerco Cg
RouteFederal Lands Road 103
Coordinates36.09999, -106.72547
Functional classRural Local

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.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating46.1 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span25 ft (7.6 m)
Deck width22 ft (6.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic99 by 2042
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$130,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Fdr 103 over Rio Puerco built?

It was built in 1976, making it 49 years old in 2025.

What condition is Fdr 103 over Rio Puerco 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 June 2023.

How much traffic does Fdr 103 over Rio Puerco carry?

About 50 vehicles per day (2021 count).

How long is Fdr 103 over Rio Puerco?

The structure is 26 ft (7.9 m) long with a longest span of 25 ft (7.6 m) and a deck 22 ft wide.

Who owns Fdr 103 over Rio Puerco?

It is owned by the U.S. Forest Service.