US Bridges

IRR SR 389 over Short Creek

Good

Mohave County, Arizona · 31.6 MI West JCT SR 89A · Structure no. 00668

Built
1961
64 years old, rebuilt 2020
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
228 ft
4 main spans
Daily traffic
4,656
2021 count
Owner
State
State Highway Agency

About this bridge

IRR SR 389 over Short Creek is a steel continuous stringer/multi-beam or girder carrying IRR SR 389 over Short Creek in Mohave County, Arizona. It was built in 1961 and reconstructed in 2020, so it is 64 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 4,656 vehicles a day, roughly 16% of them trucks, projected to reach 4,666 by 2041. The structure is 228 ft (69.5 m) long and 35 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

Location

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CarriesIRR SR 389
CrossesShort Creek
Location31.6 MI West JCT SR 89A
RouteState Highway 389
CountyMohave County
StateArizona
Coordinates36.9883, -112.9893
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span62 ft (18.9 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,656 (2021)
Projected traffic4,666 by 2041
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was IRR SR 389 over Short Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2020.

What condition is IRR SR 389 over Short Creek 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 July 2023.

How much traffic does IRR SR 389 over Short Creek carry?

About 4,656 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is IRR SR 389 over Short Creek?

The structure is 228 ft (69.5 m) long with a longest span of 62 ft (18.9 m) and a deck 35 ft wide.

Who owns IRR SR 389 over Short Creek?

It is owned by the State Highway Agency.