US Bridges

US 180 over San Francisco

Good

Apache County, Arizona · 2.1 MI E JCT US 191 · Structure no. 06519

Built
1970
55 years old
Condition
Good
inspected November 2022
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
977
2021 count
Owner
State
State Highway Agency

About this bridge

US 180 over San Francisco is a concrete continuous culvert carrying US 180 over San Francisco in Apache County, Arizona. It was built in 1970, so it is 55 years old, older 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 977 vehicles a day, roughly 7% of them trucks, projected to reach 987 by 2041. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 80.2 mi (129 km).

CarriesUS 180
CrossesSan Francisco
Location2.1 MI E JCT US 191
RouteU.S. Route 180
StateArizona
Coordinates33.83357, -109.11826
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic977 (2021)
Projected traffic987 by 2041
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed80.2 mi (129 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 US 180 over San Francisco built?

It was built in 1970, making it 55 years old in 2025.

What condition is US 180 over San Francisco 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 November 2022.

How much traffic does US 180 over San Francisco carry?

About 977 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is US 180 over San Francisco?

The structure is 32 ft (9.8 m) long with a longest span of 10 ft (3 m).

Who owns US 180 over San Francisco?

It is owned by the State Highway Agency.