US Bridges

I 80 EB over North Skunk River

Good

Jasper County, Iowa · 2.1 Miles East of Ia 224 · Structure no. 000000000031221

Built
2021
4 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
337 ft
3 main spans
Daily traffic
14,850
2023 count
Owner
State
State Highway Agency

About this bridge

I 80 EB over North Skunk River is a prestressed concrete stringer/multi-beam or girder carrying I 80 EB over North Skunk River in Jasper County, Iowa. It was built in 2021, so it is 4 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 14,850 vehicles a day, roughly 37% of them trucks, projected to reach 14,850 by 2043. The structure is 337 ft (102.7 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 80 EB
CrossesNorth Skunk River
Location2.1 Miles East of Ia 224
RouteInterstate 80
StateIowa
Coordinates41.69294, -92.86477
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum 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 length337 ft (102.7 m)
Longest span112 ft (34.1 m)
Deck width63 ft (19.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,850 (2023)
Projected traffic14,850 by 2043
Trucks37%
Lanes on structure2
Traffic directionTwo-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 EB over North Skunk River built?

It was built in 2021, making it 4 years old in 2025.

What condition is I 80 EB over North Skunk 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 April 2024.

How much traffic does I 80 EB over North Skunk River carry?

About 14,850 vehicles per day (2023 count), of which roughly 37% are trucks.

How long is I 80 EB over North Skunk River?

The structure is 337 ft (102.7 m) long with a longest span of 112 ft (34.1 m) and a deck 63 ft wide.

Who owns I 80 EB over North Skunk River?

It is owned by the State Highway Agency.