US Bridges

Ia 14 over Ia 163

Good

Jasper County, Iowa · At the Junction of Ia 163 · Structure no. 000000000606420

Built
1997
28 years old
Condition
Good
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
229 ft
2 main spans
Daily traffic
4,580
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 14 over Ia 163 is a prestressed concrete stringer/multi-beam or girder carrying Ia 14 over Ia 163 in Jasper County, Iowa. It was built in 1997, so it is 28 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 4,580 vehicles a day, roughly 10% of them trucks, projected to reach 4,580 by 2043. The structure is 229 ft (69.8 m) long and 54 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIa 14
CrossesIa 163
LocationAt the Junction of Ia 163
RouteState Highway 14
StateIowa
Coordinates41.51107, -93.10119
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.
Substructure8 Very GoodNo problems noted.
Last inspectionJanuary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating61 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length229 ft (69.8 m)
Longest span112 ft (34.1 m)
Deck width54 ft (16.6 m)
Roadway width51 ft (15.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,580 (2022)
Projected traffic4,580 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ia 14 over Ia 163 built?

It was built in 1997, making it 28 years old in 2025.

What condition is Ia 14 over Ia 163 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 January 2023.

How much traffic does Ia 14 over Ia 163 carry?

About 4,580 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Ia 14 over Ia 163?

The structure is 229 ft (69.8 m) long with a longest span of 112 ft (34.1 m) and a deck 54 ft wide.

Who owns Ia 14 over Ia 163?

It is owned by the State Highway Agency.