US Bridges

SR 80 over San Pedro River

Poor

Cochise County, Arizona · 5.5 MI SE JCT SR B10 · Structure no. 00609

Built
1960
65 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
416 ft
4 main spans
Daily traffic
6,156
2022 count
Owner
State
State Highway Agency

About this bridge

SR 80 over San Pedro River is a steel continuous stringer/multi-beam or girder carrying SR 80 over San Pedro River in Cochise County, Arizona. It was built in 1960, so it is 65 years old, older than the Arizona average of 47.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 6,156 vehicles a day, roughly 9% of them trucks, projected to reach 6,256 by 2042. The structure is 416 ft (126.8 m) long and 35 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesSR 80
CrossesSan Pedro River
Location5.5 MI SE JCT SR B10
RouteState Highway 80
CountyCochise County
StateArizona
Coordinates31.9054, -110.2467
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length416 ft (126.8 m)
Longest span116 ft (35.4 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,156 (2022)
Projected traffic6,256 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 80 over San Pedro River built?

It was built in 1960, making it 65 years old in 2025.

What condition is SR 80 over San Pedro River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2023.

How much traffic does SR 80 over San Pedro River carry?

About 6,156 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is SR 80 over San Pedro River?

The structure is 416 ft (126.8 m) long with a longest span of 116 ft (35.4 m) and a deck 35 ft wide.

Who owns SR 80 over San Pedro River?

It is owned by the State Highway Agency.