US Bridges

Thomas Road over Indian Bend Wash

Fair

Maricopa County, Arizona · 0.3 MI E of JCT Miller RD · Structure no. 09578

Built
1978
47 years old
Condition
Fair
inspected March 2024
Type
Slab
Concrete Continuous
Length
261 ft
5 main spans
Daily traffic
10,547
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Thomas Road over Indian Bend Wash is a concrete continuous slab carrying Thomas Road over Indian Bend Wash in Maricopa County, Arizona. It was built in 1978, so it is 47 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 10,547 vehicles a day, roughly 5% of them trucks, projected to reach 10,557 by 2040. The structure is 261 ft (79.6 m) long and 36 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesThomas Road
CrossesIndian Bend Wash
Location0.3 MI E of JCT Miller RD
RouteCity Street 0
CountyMaricopa County
StateArizona
Coordinates33.4804, -111.9123
Functional classUrban Minor Arterial

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length261 ft (79.6 m)
Longest span56 ft (17.1 m)
Deck width36 ft (11 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,547 (2024)
Projected traffic10,557 by 2040
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$2,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Thomas Road over Indian Bend Wash built?

It was built in 1978, making it 47 years old in 2025.

What condition is Thomas Road over Indian Bend 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 March 2024.

How much traffic does Thomas Road over Indian Bend Wash carry?

About 10,547 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Thomas Road over Indian Bend Wash?

The structure is 261 ft (79.6 m) long with a longest span of 56 ft (17.1 m) and a deck 36 ft wide.

Who owns Thomas Road over Indian Bend Wash?

It is owned by the City or Municipal Highway Agency.