US Bridges

Ia 92 over Spring Creek/Pedestrian

Fair

Mahaska County, Iowa · 0.3 Mi. E of Jct. Ia 23 · Structure no. 000000000035000

Built
1958
67 years old
Condition
Fair
inspected February 2023
Type
Culvert
Concrete Continuous
Length
39 ft
3 main spans
Daily traffic
6,400
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 92 over Spring Creek/Pedestrian is a concrete continuous culvert carrying Ia 92 over Spring Creek/Pedestrian in Mahaska County, Iowa. It was built in 1958, so it is 67 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 6,400 vehicles a day, roughly 6% of them trucks, projected to reach 6,400 by 2043. The structure is 39 ft (11.9 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIa 92
CrossesSpring Creek/Pedestrian
Location0.3 Mi. E of Jct. Ia 23
RouteState Highway 92
StateIowa
Coordinates41.2962, -92.61735
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.3 US tons
Inventory rating19.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length39 ft (11.9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,400 (2023)
Projected traffic6,400 by 2043
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 92 over Spring Creek/Pedestrian built?

It was built in 1958, making it 67 years old in 2025.

What condition is Ia 92 over Spring Creek/Pedestrian 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 February 2023.

How much traffic does Ia 92 over Spring Creek/Pedestrian carry?

About 6,400 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Ia 92 over Spring Creek/Pedestrian?

The structure is 39 ft (11.9 m) long with a longest span of 12 ft (3.7 m).

Who owns Ia 92 over Spring Creek/Pedestrian?

It is owned by the State Highway Agency.