US Bridges

F 17 over North Skunk River

Good

Jasper County, Iowa · 081192101 · Structure no. 000000000030821

Built
2018
7 years old
Condition
Good
inspected April 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
188 ft
3 main spans
Daily traffic
1,650
2022 count
Owner
County
County Highway Agency

About this bridge

F 17 over North Skunk River is a prestressed concrete stringer/multi-beam or girder carrying F 17 over North Skunk River in Jasper County, Iowa. It was built in 2018, so it is 7 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 1,650 vehicles a day, roughly 16% of them trucks, projected to reach 1,650 by 2043. The structure is 188 ft (57.3 m) long and 31 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesF 17
CrossesNorth Skunk River
Location081192101
RouteCounty Highway 0
StateIowa
Coordinates41.82019, -93.06196
Functional classRural Minor Arterial

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 inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.5 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length188 ft (57.3 m)
Longest span69 ft (21 m)
Deck width31 ft (9.3 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2022)
Projected traffic1,650 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was F 17 over North Skunk River built?

It was built in 2018, making it 7 years old in 2025.

What condition is F 17 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 2021.

How much traffic does F 17 over North Skunk River carry?

About 1,650 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is F 17 over North Skunk River?

The structure is 188 ft (57.3 m) long with a longest span of 69 ft (21 m) and a deck 31 ft wide.

Who owns F 17 over North Skunk River?

It is owned by the County Highway Agency.