US Bridges

Park Entrance Road over Unnamed Wash

Fair

Apache County, Arizona · 0.15 Miles West of Inters · Structure no. 7420001P0000000

Built
2000
25 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
1 main span
Daily traffic
250
2019 count
Owner
Federal
National Park Service

About this bridge

Park Entrance Road over Unnamed Wash is a steel stringer/multi-beam or girder carrying Park Entrance Road over Unnamed Wash in Apache County, Arizona. It was built in 2000, so it is 25 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 250 vehicles a day, roughly 1% of them trucks, projected to reach 400 by 2039. The structure is 80 ft (24.4 m) long and 14 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesPark Entrance Road
CrossesUnnamed Wash
Location0.15 Miles West of Inters
RouteFederal Lands Road 100
CountyApache County
StateArizona
Coordinates35.70956, -109.55519
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating72 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length80 ft (24.4 m)
Longest span77 ft (23.6 m)
Deck width14 ft (4.3 m)
Roadway width13 ft (3.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2019)
Projected traffic400 by 2039
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$75,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Park Entrance Road over Unnamed Wash built?

It was built in 2000, making it 25 years old in 2025.

What condition is Park Entrance Road over Unnamed Wash 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 Entrance Road over Unnamed Wash carry?

About 250 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Park Entrance Road over Unnamed Wash?

The structure is 80 ft (24.4 m) long with a longest span of 77 ft (23.6 m) and a deck 14 ft wide.

Who owns Park Entrance Road over Unnamed Wash?

It is owned by the National Park Service.