US Bridges

EB I-80 over Cedar River

Good

Cedar County, Iowa · 1.0 Mi. W of W Jct. Ia 38 · Structure no. 000000000018611

Built
2009
16 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,188 ft
9 main spans
Daily traffic
18,600
2023 count
Owner
State
State Highway Agency

About this bridge

EB I-80 over Cedar River is a prestressed concrete stringer/multi-beam or girder carrying EB I-80 over Cedar River in Cedar County, Iowa. It was built in 2009, so it is 16 years old, younger than the Iowa average of 45.5 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 18,600 vehicles a day, roughly 39% of them trucks, projected to reach 18,600 by 2043. The structure is 1,188 ft (362.2 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEB I-80
CrossesCedar River
Location1.0 Mi. W of W Jct. Ia 38
RouteInterstate 80
StateIowa
Coordinates41.64534, -91.13544
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99.8 US tons
Inventory rating51.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 20
Structure length1,188 ft (362.2 m)
Longest span137 ft (41.8 m)
Deck width59 ft (18 m)
Roadway width56 ft (17.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,600 (2023)
Projected traffic18,600 by 2043
Trucks39%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was EB I-80 over Cedar River built?

It was built in 2009, making it 16 years old in 2025.

What condition is EB I-80 over Cedar 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 May 2023.

How much traffic does EB I-80 over Cedar River carry?

About 18,600 vehicles per day (2023 count), of which roughly 39% are trucks.

How long is EB I-80 over Cedar River?

The structure is 1,188 ft (362.2 m) long with a longest span of 137 ft (41.8 m) and a deck 59 ft wide.

Who owns EB I-80 over Cedar River?

It is owned by the State Highway Agency.