US Bridges

SR 188 over Roosevelt Lake

Good

Gila County, Arizona · 48.26 MI E of JCT US 60 · Structure no. 01445

Built
1990
35 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
630 ft
5 main spans
Daily traffic
1,447
2022 count
Owner
State
State Highway Agency

About this bridge

SR 188 over Roosevelt Lake is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 188 over Roosevelt Lake in Gila County, Arizona. It was built in 1990, so it is 35 years old, younger 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 1,447 vehicles a day, roughly 22% of them trucks, projected to reach 1,457 by 2042. The structure is 630 ft (192 m) long and 41 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

Open in Google Maps
CarriesSR 188
CrossesRoosevelt Lake
Location48.26 MI E of JCT US 60
RouteState Highway 188
CountyGila County
StateArizona
Coordinates33.66691, -111.13091
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length630 ft (192 m)
Longest span125 ft (38.1 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,447 (2022)
Projected traffic1,457 by 2042
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 1990, making it 35 years old in 2025.

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

About 1,447 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is SR 188 over Roosevelt Lake?

The structure is 630 ft (192 m) long with a longest span of 125 ft (38.1 m) and a deck 41 ft wide.

Who owns SR 188 over Roosevelt Lake?

It is owned by the State Highway Agency.