US Bridges

232nd ST over Buck Creek

Fair

Clayton County, Iowa · 093030903 · Structure no. 000000000119470

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Culvert
Steel
Length
124 ft
1 main span
Daily traffic
113
2022 count
Owner
County
County Highway Agency

About this bridge

232nd ST over Buck Creek is a steel culvert carrying 232nd ST over Buck Creek in Clayton County, Iowa. It was built in 1973, so it is 52 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 113 vehicles a day, projected to reach 113 by 2044. The structure is 124 ft (37.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Carries232nd ST
CrossesBuck Creek
Location093030903
RouteCounty Highway 0
StateIowa
Coordinates42.88953, -91.20362
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadH 20
Structure length124 ft (37.8 m)
Longest span24 ft (7.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic113 (2022)
Projected traffic113 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 232nd ST over Buck Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is 232nd ST over Buck 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 October 2024.

How much traffic does 232nd ST over Buck Creek carry?

About 113 vehicles per day (2022 count).

How long is 232nd ST over Buck Creek?

The structure is 124 ft (37.8 m) long with a longest span of 24 ft (7.3 m).

Who owns 232nd ST over Buck Creek?

It is owned by the County Highway Agency.