US Bridges

East ST over I-80

Fair

Pottawattamie County, Iowa · At Jct. SR M16 · Structure no. 000000000043950

Built
1966
59 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
221 ft
4 main spans
Daily traffic
3,316
2022 count
Owner
State
State Highway Agency

About this bridge

East ST over I-80 is a prestressed concrete stringer/multi-beam or girder carrying East ST over I-80 in Pottawattamie County, Iowa. It was built in 1966, so it is 59 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 5 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 3,316 vehicles a day, roughly 24% of them trucks, projected to reach 3,316 by 2044. The structure is 221 ft (67.4 m) long and 36 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

Location

Open in Google Maps
CarriesEast ST
CrossesI-80
LocationAt Jct. SR M16
RouteCity Street 0
CountyPottawattamie County
StateIowa
Coordinates41.49842, -95.45116
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating86.4 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length221 ft (67.4 m)
Longest span69 ft (21 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,316 (2022)
Projected traffic3,316 by 2044
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed11.8 mi (19 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was East ST over I-80 built?

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

What condition is East ST over I-80 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 2024.

How much traffic does East ST over I-80 carry?

About 3,316 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is East ST over I-80?

The structure is 221 ft (67.4 m) long with a longest span of 69 ft (21 m) and a deck 36 ft wide.

Who owns East ST over I-80?

It is owned by the State Highway Agency.