US Bridges

Kimball Ave over Trib to Miller Creek

Fair

Black Hawk County, Iowa · 88-13-34-02-10 · Structure no. 000000000075291

Built
1971
54 years old
Condition
Fair
inspected March 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
432
2022 count
Owner
County
County Highway Agency

About this bridge

Kimball Ave over Trib to Miller Creek is a concrete continuous culvert carrying Kimball Ave over Trib to Miller Creek in Black Hawk County, Iowa. It was built in 1971, so it is 54 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 432 vehicles a day, roughly 6% of them trucks, projected to reach 432 by 2044. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesKimball Ave
CrossesTrib to Miller Creek
Location88-13-34-02-10
RouteCounty Highway 0
CountyBlack Hawk County
StateIowa
Coordinates42.39692, -92.35746
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.8 US tons
Inventory rating21.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.6 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 traffic432 (2022)
Projected traffic432 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Kimball Ave over Trib to Miller Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Kimball Ave over Trib to Miller Creek 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 March 2024.

How much traffic does Kimball Ave over Trib to Miller Creek carry?

About 432 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Kimball Ave over Trib to Miller Creek?

The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Kimball Ave over Trib to Miller Creek?

It is owned by the County Highway Agency.