US Bridges

Ia 5 over Ia 92 (s Jct)

Fair

Marion County, Iowa · At S Jct. Iowa 92 · Structure no. 000000000035155

Built
1978
47 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
340 ft
4 main spans
Daily traffic
3,250
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 5 over Ia 92 (s Jct) is a steel continuous stringer/multi-beam or girder carrying Ia 5 over Ia 92 (s Jct) in Marion County, Iowa. It was built in 1978, so it is 47 years old, older 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 5 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 3,250 vehicles a day, roughly 7% of them trucks, projected to reach 3,250 by 2042. The structure is 340 ft (103.6 m) long and 63 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

Location

Open in Google Maps
CarriesIa 5
CrossesIa 92 (s Jct)
LocationAt S Jct. Iowa 92
RouteState Highway 5
CountyMarion County
StateIowa
Coordinates41.29979, -93.07255
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.2 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length340 ft (103.6 m)
Longest span109 ft (33.2 m)
Deck width63 ft (19.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,250 (2022)
Projected traffic3,250 by 2042
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed21.7 mi (35 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 5 over Ia 92 (s Jct) built?

It was built in 1978, making it 47 years old in 2025.

What condition is Ia 5 over Ia 92 (s Jct) 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 May 2023.

How much traffic does Ia 5 over Ia 92 (s Jct) carry?

About 3,250 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Ia 5 over Ia 92 (s Jct)?

The structure is 340 ft (103.6 m) long with a longest span of 109 ft (33.2 m) and a deck 63 ft wide.

Who owns Ia 5 over Ia 92 (s Jct)?

It is owned by the State Highway Agency.