US Bridges

Ia 163 EB over SR G5T

Fair

Marion County, Iowa · At Jct. SR G5T · Structure no. 000000000601675

Built
1996
29 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
181 ft
3 main spans
Daily traffic
3,800
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 163 EB over SR G5T is a prestressed concrete stringer/multi-beam or girder carrying Ia 163 EB over SR G5T in Marion 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,800 vehicles a day, roughly 16% of them trucks, projected to reach 3,800 by 2044. The structure is 181 ft (55.2 m) long and 43 ft wide.

Location

Open in Google Maps
CarriesIa 163 EB
CrossesSR G5T
LocationAt Jct. SR G5T
RouteState Highway 163
CountyMarion County
StateIowa
Coordinates41.38937, -92.87132
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73.2 US tons
Inventory rating39.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length181 ft (55.2 m)
Longest span96 ft (29.3 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2022)
Projected traffic3,800 by 2044
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 163 EB over SR G5T built?

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

What condition is Ia 163 EB over SR G5T in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Ia 163 EB over SR G5T carry?

About 3,800 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Ia 163 EB over SR G5T?

The structure is 181 ft (55.2 m) long with a longest span of 96 ft (29.3 m) and a deck 43 ft wide.

Who owns Ia 163 EB over SR G5T?

It is owned by the State Highway Agency.