US Bridges

SR 288 over Salt River

Fair

Gila County, Arizona · 04.3 MI N JCT SR 88 · Structure no. 00037

Built
1920
105 years old
Condition
Fair
inspected September 2024
Type
Truss - Thru
Steel
Length
220 ft
1 main span
Daily traffic
99
2024 count
Owner
State
State Highway Agency

About this bridge

SR 288 over Salt River is a steel truss - thru carrying SR 288 over Salt River in Gila County, Arizona. It was built in 1920, so it is 105 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 5 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 99 vehicles a day, roughly 9% of them trucks, projected to reach 109 by 2042. The structure is 220 ft (67.1 m) long and 19 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesSR 288
CrossesSalt River
Location04.3 MI N JCT SR 88
RouteState Highway 288
CountyGila County
StateArizona
Coordinates33.6191, -110.9219
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating26 US tons
Inventory rating15 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length220 ft (67.1 m)
Longest span215 ft (65.5 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deck12 ft (3.8 m)

Traffic and service

Average daily traffic99 (2024)
Projected traffic109 by 2042
Trucks9%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$1,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 288 over Salt River built?

It was built in 1920, making it 105 years old in 2025.

What condition is SR 288 over Salt 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 September 2024.

How much traffic does SR 288 over Salt River carry?

About 99 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is SR 288 over Salt River?

The structure is 220 ft (67.1 m) long with a longest span of 215 ft (65.5 m) and a deck 19 ft wide.

Who owns SR 288 over Salt River?

It is owned by the State Highway Agency.