US Bridges

South Fork RD over Little Colorado River

Fair

Apache County, Arizona · 2.0 MI SW JCT SR 260 · Structure no. 08064

Built
1934
91 years old, rebuilt 1968
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
30 ft
1 main span
Daily traffic
240
2022 count
Owner
County
County Highway Agency

About this bridge

South Fork RD over Little Colorado River is a concrete slab carrying South Fork RD over Little Colorado River in Apache County, Arizona. It was built in 1934 and reconstructed in 1968, so it is 91 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 240 vehicles a day, roughly 1% of them trucks, projected to reach 250 by 2042. The structure is 30 ft (9.1 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesSouth Fork RD
CrossesLittle Colorado River
Location2.0 MI SW JCT SR 260
RouteCounty Highway 0
CountyApache County
StateArizona
Coordinates34.088, -109.413
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating40 US tons
Inventory rating24 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2022)
Projected traffic250 by 2042
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was South Fork RD over Little Colorado River built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1968.

What condition is South Fork RD over Little Colorado River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.

How much traffic does South Fork RD over Little Colorado River carry?

About 240 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is South Fork RD over Little Colorado River?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 16 ft wide.

Who owns South Fork RD over Little Colorado River?

It is owned by the County Highway Agency.