US Bridges

Mckimber Street over Ia 5 & Ia 92

Fair

Marion County, Iowa · 2.0 Mi. N Jct. Ia 14 · Structure no. 000000000603560

Built
1978
47 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
442 ft
4 main spans
Daily traffic
1,590
2023 count
Owner
State
State Highway Agency

About this bridge

Mckimber Street over Ia 5 & Ia 92 is a steel continuous stringer/multi-beam or girder carrying Mckimber Street over Ia 5 & 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 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 1,590 vehicles a day, roughly 5% of them trucks, projected to reach 1,590 by 2043. The structure is 442 ft (134.7 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMckimber Street
CrossesIa 5 & Ia 92
Location2.0 Mi. N Jct. Ia 14
RouteState Highway 5
StateIowa
Coordinates41.32036, -93.13815
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating93.6 US tons
Inventory rating56.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length442 ft (134.7 m)
Longest span153 ft (46.6 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,590 (2023)
Projected traffic1,590 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed5 mi (8 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 Mckimber Street over Ia 5 & Ia 92 built?

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

What condition is Mckimber Street over Ia 5 & 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 May 2023.

How much traffic does Mckimber Street over Ia 5 & Ia 92 carry?

About 1,590 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Mckimber Street over Ia 5 & Ia 92?

The structure is 442 ft (134.7 m) long with a longest span of 153 ft (46.6 m) and a deck 29 ft wide.

Who owns Mckimber Street over Ia 5 & Ia 92?

It is owned by the State Highway Agency.