US Bridges

SR 75 over Cottonwood Creek

Fair

Greenlee County, Arizona · 2.7 MI S JCT US 191 · Structure no. 00243

Built
1940
85 years old, rebuilt 1968
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
162 ft
6 main spans
Daily traffic
1,781
2022 count
Owner
State
State Highway Agency

About this bridge

SR 75 over Cottonwood Creek is a concrete continuous slab carrying SR 75 over Cottonwood Creek in Greenlee County, Arizona. It was built in 1940 and reconstructed in 1968, so it is 85 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 1,781 vehicles a day, roughly 21% of them trucks, projected to reach 1,791 by 2042. The structure is 162 ft (49.4 m) long and 37 ft wide. If it were closed, the detour would be 34.2 mi (55 km).

CarriesSR 75
CrossesCottonwood Creek
Location2.7 MI S JCT US 191
RouteState Highway 75
StateArizona
Coordinates32.92321, -109.19942
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length162 ft (49.4 m)
Longest span25 ft (7.6 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,781 (2022)
Projected traffic1,791 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.2 mi (55 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 SR 75 over Cottonwood Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1968.

What condition is SR 75 over Cottonwood Creek 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 SR 75 over Cottonwood Creek carry?

About 1,781 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is SR 75 over Cottonwood Creek?

The structure is 162 ft (49.4 m) long with a longest span of 25 ft (7.6 m) and a deck 37 ft wide.

Who owns SR 75 over Cottonwood Creek?

It is owned by the State Highway Agency.