US Bridges

Old HWY 92 over Ia 92

Fair

Marion County, Iowa · 3.9 Mi. E of E Jct.Iowa 5 · Structure no. 000000000600770

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

About this bridge

Old HWY 92 over Ia 92 is a steel continuous stringer/multi-beam or girder carrying Old HWY 92 over Ia 92 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 340 vehicles a day, roughly 22% of them trucks, projected to reach 340 by 2043. The structure is 579 ft (176.5 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesOld HWY 92
CrossesIa 92
Location3.9 Mi. E of E Jct.Iowa 5
RouteCounty Highway 0
CountyMarion County
StateIowa
Coordinates41.30754, -93.00217
Functional classRural Minor Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80.5 US tons
Inventory rating48.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length579 ft (176.5 m)
Longest span180 ft (54.9 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2022)
Projected traffic340 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old HWY 92 over Ia 92 built?

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

What condition is Old HWY 92 over Ia 92 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 September 2023.

How much traffic does Old HWY 92 over Ia 92 carry?

About 340 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is Old HWY 92 over Ia 92?

The structure is 579 ft (176.5 m) long with a longest span of 180 ft (54.9 m) and a deck 35 ft wide.

Who owns Old HWY 92 over Ia 92?

It is owned by the State Highway Agency.