US Bridges

EB I 80 & US 6 over Mcpherson Ave

Fair

Pottawattamie County, Iowa · 1.6 Mi. W of Jct. U.S. 6 · Structure no. 000000000045230

Built
1967
58 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
186 ft
3 main spans
Daily traffic
15,550
2022 count
Owner
State
State Highway Agency

About this bridge

EB I 80 & US 6 over Mcpherson Ave is a steel continuous stringer/multi-beam or girder carrying EB I 80 & US 6 over Mcpherson Ave in Pottawattamie County, Iowa. It was built in 1967, so it is 58 years old, older than the Iowa average of 45.5 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 15,550 vehicles a day, roughly 30% of them trucks, projected to reach 15,550 by 2042. The structure is 186 ft (56.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesEB I 80 & US 6
CrossesMcpherson Ave
Location1.6 Mi. W of Jct. U.S. 6
RouteInterstate 80
CountyPottawattamie County
StateIowa
Coordinates41.26066, -95.80314
Functional classUrban Principal Arterial - Interstate

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.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating33 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length186 ft (56.7 m)
Longest span70 ft (21.3 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,550 (2022)
Projected traffic15,550 by 2042
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 EB I 80 & US 6 over Mcpherson Ave built?

It was built in 1967, making it 58 years old in 2025.

What condition is EB I 80 & US 6 over Mcpherson Ave 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 July 2023.

How much traffic does EB I 80 & US 6 over Mcpherson Ave carry?

About 15,550 vehicles per day (2022 count), of which roughly 30% are trucks.

How long is EB I 80 & US 6 over Mcpherson Ave?

The structure is 186 ft (56.7 m) long with a longest span of 70 ft (21.3 m) and a deck 42 ft wide.

Who owns EB I 80 & US 6 over Mcpherson Ave?

It is owned by the State Highway Agency.