US Bridges

Solomon Road over San Simon River

Fair

Graham County, Arizona · 4.2 MI E JCT US 191 · Structure no. 08616

Built
1983
42 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
182 ft
3 main spans
Daily traffic
1,038
2022 count
Owner
County
County Highway Agency

About this bridge

Solomon Road over San Simon River is a steel continuous stringer/multi-beam or girder carrying Solomon Road over San Simon River in Graham County, Arizona. It was built in 1983, so it is 42 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 1,038 vehicles a day, roughly 5% of them trucks, projected to reach 1,048 by 2042. The structure is 182 ft (55.5 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSolomon Road
CrossesSan Simon River
Location4.2 MI E JCT US 191
RouteCounty Highway 0
CountyGraham County
StateArizona
Coordinates32.802, -109.6401
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating58 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length182 ft (55.5 m)
Longest span70 ft (21.3 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,038 (2022)
Projected traffic1,048 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Solomon Road over San Simon River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Solomon Road over San Simon 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 2023.

How much traffic does Solomon Road over San Simon River carry?

About 1,038 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Solomon Road over San Simon River?

The structure is 182 ft (55.5 m) long with a longest span of 70 ft (21.3 m) and a deck 33 ft wide.

Who owns Solomon Road over San Simon River?

It is owned by the County Highway Agency.