US Bridges

Ia 14 over North Skunk River

Good

Jasper County, Iowa · 0.2 Mi. S of Jct. SR F17 · Structure no. 000000000030661

Built
1988
37 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
197 ft
3 main spans
Daily traffic
1,820
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 14 over North Skunk River is a prestressed concrete stringer/multi-beam or girder carrying Ia 14 over North Skunk River in Jasper County, Iowa. It was built in 1988, so it is 37 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 1,820 vehicles a day, roughly 12% of them trucks, projected to reach 1,820 by 2044. The structure is 197 ft (60 m) long and 47 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIa 14
CrossesNorth Skunk River
Location0.2 Mi. S of Jct. SR F17
RouteState Highway 14
StateIowa
Coordinates41.81618, -93.05841
Functional classRural Principal Arterial - Other

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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.9 US tons
Inventory rating55 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length197 ft (60 m)
Longest span68 ft (20.7 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,820 (2022)
Projected traffic1,820 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes

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 Ia 14 over North Skunk River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Ia 14 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 May 2024.

How much traffic does Ia 14 over North Skunk River carry?

About 1,820 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is Ia 14 over North Skunk River?

The structure is 197 ft (60 m) long with a longest span of 68 ft (20.7 m) and a deck 47 ft wide.

Who owns Ia 14 over North Skunk River?

It is owned by the State Highway Agency.