US Bridges

IRR BIA RTE 26 over Rio San Jose

PoorPosted for load

Cibola County, New Mexico · North Edge of Seama · Structure no. 00000000000M108

Built
1968
57 years old
Condition
Poor
inspected April 2023
Type
Slab
Concrete Continuous
Length
107 ft
3 main spans
Daily traffic
110
2021 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 26 over Rio San Jose is a concrete continuous slab carrying IRR BIA RTE 26 over Rio San Jose in Cibola County, New Mexico. It was built in 1968, so it is 57 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 3 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. Its operating status is: posted for load restriction.

It carries about 110 vehicles a day, roughly 5% of them trucks, projected to reach 129 by 2041. The structure is 107 ft (32.6 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIRR BIA RTE 26
CrossesRio San Jose
LocationNorth Edge of Seama
RouteFederal Lands Road 26
Coordinates35.0412, -107.52399
Functional classUrban Minor Arterial

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.9 US tons
Inventory rating28.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length107 ft (32.6 m)
Longest span41 ft (12.5 m)
Deck width32 ft (9.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2021)
Projected traffic129 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$990,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR BIA RTE 26 over Rio San Jose built?

It was built in 1968, making it 57 years old in 2025.

What condition is IRR BIA RTE 26 over Rio San Jose 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 April 2023.

How much traffic does IRR BIA RTE 26 over Rio San Jose carry?

About 110 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is IRR BIA RTE 26 over Rio San Jose?

The structure is 107 ft (32.6 m) long with a longest span of 41 ft (12.5 m) and a deck 32 ft wide.

Who owns IRR BIA RTE 26 over Rio San Jose?

It is owned by the Bureau of Indian Affairs.