US Bridges

I 8; WB over Sprr; Mohawk

Good

Yuma County, Arizona · 52.7 MI E JCT US 95 · Structure no. 01136

Built
1966
59 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
153 ft
3 main spans
Daily traffic
6,039
2024 count
Owner
State
State Highway Agency

About this bridge

I 8; WB over Sprr; Mohawk is a steel continuous stringer/multi-beam or girder carrying I 8; WB over Sprr; Mohawk in Yuma County, Arizona. It was built in 1966, so it is 59 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 6,039 vehicles a day, roughly 26% of them trucks, projected to reach 6,049 by 2042. The structure is 153 ft (46.6 m) long and 41 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 8; WB
CrossesSprr; Mohawk
Location52.7 MI E JCT US 95
RouteInterstate 8
StateArizona
Coordinates32.7283, -113.7372
Functional classRural Principal Arterial - Interstate

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.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating56 US tons
Inventory rating36 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length153 ft (46.6 m)
Longest span58 ft (17.7 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,039 (2024)
Projected traffic6,049 by 2042
Trucks26%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I 8; WB over Sprr; Mohawk built?

It was built in 1966, making it 59 years old in 2025.

What condition is I 8; WB over Sprr; Mohawk 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 October 2024.

How much traffic does I 8; WB over Sprr; Mohawk carry?

About 6,039 vehicles per day (2024 count), of which roughly 26% are trucks.

How long is I 8; WB over Sprr; Mohawk?

The structure is 153 ft (46.6 m) long with a longest span of 58 ft (17.7 m) and a deck 41 ft wide.

Who owns I 8; WB over Sprr; Mohawk?

It is owned by the State Highway Agency.