US Bridges

16th ST over UPRR

Fair

Yuma County, Arizona · 0.2 MI W JCT I-8 · Structure no. 11104

Built
1951
74 years old, rebuilt 2010
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
3 main spans
Daily traffic
41,102
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

16th ST over UPRR is a steel continuous stringer/multi-beam or girder carrying 16th ST over UPRR in Yuma County, Arizona. It was built in 1951 and reconstructed in 2010, so it is 74 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 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 41,102 vehicles a day, roughly 16% of them trucks, projected to reach 41,112 by 2042. The structure is 183 ft (55.8 m) long and 121 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries16th ST
CrossesUPRR
Location0.2 MI W JCT I-8
RouteCity Street 0
CountyYuma County
StateArizona
Coordinates32.69858, -114.61192
Functional classUrban Other Principal 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length183 ft (55.8 m)
Longest span68 ft (20.7 m)
Deck width121 ft (36.9 m)
Roadway width102 ft (31.1 m)
Vertical clearance over deck30 ft (9.1 m)

Traffic and service

Average daily traffic41,102 (2022)
Projected traffic41,112 by 2042
Trucks16%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.9 mi (3 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$3,000 (2023 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was 16th ST over UPRR built?

It was built in 1951, making it 74 years old in 2025. It was reconstructed in 2010.

What condition is 16th ST over UPRR 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 November 2023.

How much traffic does 16th ST over UPRR carry?

About 41,102 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is 16th ST over UPRR?

The structure is 183 ft (55.8 m) long with a longest span of 68 ft (20.7 m) and a deck 121 ft wide.

Who owns 16th ST over UPRR?

It is owned by the City or Municipal Highway Agency.