US Bridges

US 30 over Honey Creek

Fair

Boone County, Iowa · 0.7 Mi. W of Jct. SR R23 · Structure no. 000000000015222

Built
1962
63 years old, rebuilt 1965
Condition
Fair
inspected August 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
8,800
2022 count
Owner
State
State Highway Agency

About this bridge

US 30 over Honey Creek is a concrete continuous culvert carrying US 30 over Honey Creek in Boone County, Iowa. It was built in 1962 and reconstructed in 1965, so it is 63 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 8,800 vehicles a day, roughly 13% of them trucks, projected to reach 8,800 by 2044. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 30
CrossesHoney Creek
Location0.7 Mi. W of Jct. SR R23
RouteU.S. Route 30
StateIowa
Coordinates42.03466, -93.89365
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,800 (2022)
Projected traffic8,800 by 2044
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 US 30 over Honey Creek built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1965.

What condition is US 30 over Honey 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 August 2024.

How much traffic does US 30 over Honey Creek carry?

About 8,800 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is US 30 over Honey Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns US 30 over Honey Creek?

It is owned by the State Highway Agency.