US Bridges

IRR US A89;FAP 037 over Colorado River

Good

Coconino County, Arizona · 13.8 MI N JCT US 89 · Structure no. 02340

Built
1995
30 years old
Condition
Good
inspected September 2023
Type
Arch - Deck
Steel
Length
909 ft
1 main span
Daily traffic
1,445
2022 count
Owner
State
State Highway Agency

About this bridge

IRR US A89;FAP 037 over Colorado River is a steel arch - deck carrying IRR US A89;FAP 037 over Colorado River in Coconino County, Arizona. It was built in 1995, so it is 30 years old, younger 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 1,445 vehicles a day, roughly 17% of them trucks, projected to reach 1,455 by 2042. The structure is 909 ft (277.1 m) long and 47 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesIRR US A89;FAP 037
CrossesColorado River
Location13.8 MI N JCT US 89
RouteU.S. Route 89
CountyCoconino County
StateArizona
Coordinates36.8179, -111.6331
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69 US tons
Inventory rating21.1 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+5 approach)
Design loadHS 20
Structure length909 ft (277.1 m)
Longest span726 ft (221.3 m)
Deck width47 ft (14.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,445 (2022)
Projected traffic1,455 by 2042
Trucks17%
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 IRR US A89;FAP 037 over Colorado River built?

It was built in 1995, making it 30 years old in 2025.

What condition is IRR US A89;FAP 037 over Colorado River 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 September 2023.

How much traffic does IRR US A89;FAP 037 over Colorado River carry?

About 1,445 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is IRR US A89;FAP 037 over Colorado River?

The structure is 909 ft (277.1 m) long with a longest span of 726 ft (221.3 m) and a deck 47 ft wide.

Who owns IRR US A89;FAP 037 over Colorado River?

It is owned by the State Highway Agency.