US Bridges

I 80 WB over Clear Creek

Good

Johnson County, Iowa · I-80 / I-380 Interchange · Structure no. 000000000032001

Built
2022
3 years old
Condition
Good
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
252 ft
3 main spans
Daily traffic
13,450
2022 count
Owner
State
State Highway Agency

About this bridge

I 80 WB over Clear Creek is a prestressed concrete stringer/multi-beam or girder carrying I 80 WB over Clear Creek in Johnson County, Iowa. It was built in 2022, so it is 3 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,450 vehicles a day, roughly 33% of them trucks, projected to reach 13,450 by 2042. The structure is 252 ft (76.8 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 80 WB
CrossesClear Creek
LocationI-80 / I-380 Interchange
RouteInterstate 80
StateIowa
Coordinates41.69443, -91.63192
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length252 ft (76.8 m)
Longest span117 ft (35.7 m)
Deck width78 ft (23.9 m)
Roadway width75 ft (23 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,450 (2022)
Projected traffic13,450 by 2042
Trucks33%
Lanes on structure4
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 I 80 WB over Clear Creek built?

It was built in 2022, making it 3 years old in 2025.

What condition is I 80 WB over Clear Creek 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 July 2023.

How much traffic does I 80 WB over Clear Creek carry?

About 13,450 vehicles per day (2022 count), of which roughly 33% are trucks.

How long is I 80 WB over Clear Creek?

The structure is 252 ft (76.8 m) long with a longest span of 117 ft (35.7 m) and a deck 78 ft wide.

Who owns I 80 WB over Clear Creek?

It is owned by the State Highway Agency.