US Bridges

4010: Haekel Road over Slick Rock Wash

Good

Graham County, Arizona · 13 MI SE of Safford Az · Structure no. 0000000L2006036

Built
1972
53 years old
Condition
Good
inspected March 2024
Type
Culvert
Steel
Length
32 ft
5 main spans
Daily traffic
50
2020 count
Owner
Federal
Bureau of Land Management

About this bridge

4010: Haekel Road over Slick Rock Wash is a steel culvert carrying 4010: Haekel Road over Slick Rock Wash in Graham County, Arizona. It was built in 1972, so it is 53 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, projected to reach 100 by 2040. The structure is 32 ft (9.7 m) long. If it were closed, the detour would be 18 mi (29 km).

Carries4010: Haekel Road
CrossesSlick Rock Wash
Location13 MI SE of Safford Az
RouteFederal Lands Road 0
StateArizona
Coordinates32.72518, -109.53176
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans5
Design loadUnknown
Structure length32 ft (9.7 m)
Longest span5 ft (1.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic100 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Land Management
Maintained byBureau of Land Management
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 4010: Haekel Road over Slick Rock Wash built?

It was built in 1972, making it 53 years old in 2025.

What condition is 4010: Haekel Road over Slick Rock Wash in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does 4010: Haekel Road over Slick Rock Wash carry?

About 50 vehicles per day (2020 count).

How long is 4010: Haekel Road over Slick Rock Wash?

The structure is 32 ft (9.7 m) long with a longest span of 5 ft (1.5 m).

Who owns 4010: Haekel Road over Slick Rock Wash?

It is owned by the Bureau of Land Management.