US Bridges

US 191 over Chase Creek No 1

Fair

Greenlee County, Arizona · 9.6 MI N JCT SR 75 · Structure no. 00307

Built
1948
77 years old, rebuilt 1971
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
60 ft
2 main spans
Daily traffic
7,602
2021 count
Owner
State
State Highway Agency

About this bridge

US 191 over Chase Creek No 1 is a concrete continuous slab carrying US 191 over Chase Creek No 1 in Greenlee County, Arizona. It was built in 1948 and reconstructed in 1971, so it is 77 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 7,602 vehicles a day, roughly 10% of them trucks, projected to reach 7,612 by 2041. The structure is 60 ft (18.3 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesUS 191
CrossesChase Creek No 1
Location9.6 MI N JCT SR 75
RouteU.S. Route 191
StateArizona
Coordinates33.0566, -109.3014
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length60 ft (18.3 m)
Longest span32 ft (9.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,602 (2021)
Projected traffic7,612 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 191 over Chase Creek No 1 built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 1971.

What condition is US 191 over Chase Creek No 1 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 August 2023.

How much traffic does US 191 over Chase Creek No 1 carry?

About 7,602 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is US 191 over Chase Creek No 1?

The structure is 60 ft (18.3 m) long with a longest span of 32 ft (9.8 m) and a deck 43 ft wide.

Who owns US 191 over Chase Creek No 1?

It is owned by the State Highway Agency.