US Bridges

Indian Way over Ia 163

Good

Mahaska County, Iowa · 0.8 Mi. E of Jct. Ia 92 · Structure no. 000000000606695

Built
1996
29 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
315 ft
4 main spans
Daily traffic
2,320
2022 count
Owner
State
State Highway Agency

About this bridge

Indian Way over Ia 163 is a prestressed concrete stringer/multi-beam or girder carrying Indian Way over Ia 163 in Mahaska County, Iowa. It was built in 1996, so it is 29 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 2,320 vehicles a day, projected to reach 2,320 by 2042. The structure is 315 ft (96 m) long and 35 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesIndian Way
CrossesIa 163
Location0.8 Mi. E of Jct. Ia 92
RouteCounty Highway 0
CountyMahaska County
StateIowa
Coordinates41.28527, -92.67351
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length315 ft (96 m)
Longest span107 ft (32.6 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,320 (2022)
Projected traffic2,320 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Indian Way over Ia 163 built?

It was built in 1996, making it 29 years old in 2025.

What condition is Indian Way 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 April 2023.

How much traffic does Indian Way over Ia 163 carry?

About 2,320 vehicles per day (2022 count).

How long is Indian Way over Ia 163?

The structure is 315 ft (96 m) long with a longest span of 107 ft (32.6 m) and a deck 35 ft wide.

Who owns Indian Way over Ia 163?

It is owned by the State Highway Agency.