US Bridges

SR 188 over Roosevelt Lake

Fair

Gila County, Arizona · 0.1 MI N of JCT SR 88 · Structure no. 02028

Built
1992
33 years old
Condition
Fair
inspected September 2024
Type
Arch - Thru
Steel
Length
2,199 ft
1 main span
Daily traffic
1,447
2024 count
Owner
State
State Highway Agency

About this bridge

SR 188 over Roosevelt Lake is a steel arch - thru carrying SR 188 over Roosevelt Lake in Gila County, Arizona. It was built in 1992, so it is 33 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 1,447 vehicles a day, roughly 10% of them trucks, projected to reach 1,457 by 2042. The structure is 2,199 ft (670.3 m) long and 41 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR 188
CrossesRoosevelt Lake
Location0.1 MI N of JCT SR 88
RouteState Highway 188
StateArizona
Coordinates33.6727, -111.1549
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating36 US tons

Structure

Structure typeArch - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+11 approach)
Design loadHS 20
Structure length2,199 ft (670.3 m)
Longest span1,080 ft (329.2 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deck21 ft (6.3 m)

Traffic and service

Average daily traffic1,447 (2024)
Projected traffic1,457 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-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 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 SR 188 over Roosevelt Lake built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR 188 over Roosevelt Lake 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 188 over Roosevelt Lake carry?

About 1,447 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is SR 188 over Roosevelt Lake?

The structure is 2,199 ft (670.3 m) long with a longest span of 1,080 ft (329.2 m) and a deck 41 ft wide.

Who owns SR 188 over Roosevelt Lake?

It is owned by the State Highway Agency.