US Bridges

Bryce-Eden over Markham Wash

Fair

Graham County, Arizona · 3.0 MI NW JCT US 70 · Structure no. 09329

Built
1939
86 years old
Condition
Fair
inspected August 2021
Type
Culvert
Concrete Continuous
Length
54 ft
5 main spans
Daily traffic
300
2016 count
Owner
County
County Highway Agency

About this bridge

Bryce-Eden over Markham Wash is a concrete continuous culvert carrying Bryce-Eden over Markham Wash in Graham County, Arizona. It was built in 1939, so it is 86 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 300 vehicles a day, roughly 2% of them trucks, projected to reach 310 by 2037. The structure is 54 ft (16.5 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesBryce-Eden
CrossesMarkham Wash
Location3.0 MI NW JCT US 70
RouteCounty Highway 0
CountyGraham County
StateArizona
Coordinates32.9448, -109.885
Functional classRural Major 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
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadH 15
Structure length54 ft (16.5 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2016)
Projected traffic310 by 2037
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Bryce-Eden over Markham Wash built?

It was built in 1939, making it 86 years old in 2025.

What condition is Bryce-Eden over Markham 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 August 2021.

How much traffic does Bryce-Eden over Markham Wash carry?

About 300 vehicles per day (2016 count), of which roughly 2% are trucks.

How long is Bryce-Eden over Markham Wash?

The structure is 54 ft (16.5 m) long with a longest span of 10 ft (3 m).

Who owns Bryce-Eden over Markham Wash?

It is owned by the County Highway Agency.