US Bridges

Park Road over Puerco River

Fair

Apache County, Arizona · 10.78 Miles South of I-40 · Structure no. 8430002P0000000

Built
1990
35 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
512 ft
4 main spans
Daily traffic
2,000
2019 count
Owner
Federal
National Park Service

About this bridge

Park Road over Puerco River is a prestressed concrete stringer/multi-beam or girder carrying Park Road over Puerco River in Apache County, Arizona. It was built in 1990, so it is 35 years old, younger 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 2,000 vehicles a day, roughly 1% of them trucks, projected to reach 3,000 by 2039. The structure is 512 ft (156.1 m) long and 34 ft wide. If it were closed, the detour would be 80.2 mi (129 km).

Location

Open in Google Maps
CarriesPark Road
CrossesPuerco River
Location10.78 Miles South of I-40
RouteFederal Lands Road 10
CountyApache County
StateArizona
Coordinates34.97797, -109.79444
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
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 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67 US tons
Inventory rating34.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length512 ft (156.1 m)
Longest span129 ft (39.3 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2019)
Projected traffic3,000 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.2 mi (129 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerNational Park Service
Maintained byNational Park Service
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$720,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Park Road over Puerco River built?

It was built in 1990, making it 35 years old in 2025.

What condition is Park Road over Puerco 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 April 2024.

How much traffic does Park Road over Puerco River carry?

About 2,000 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Park Road over Puerco River?

The structure is 512 ft (156.1 m) long with a longest span of 129 ft (39.3 m) and a deck 34 ft wide.

Who owns Park Road over Puerco River?

It is owned by the National Park Service.