US Bridges

King RD over Buck Creek

Fair

Clayton County, Iowa · 094033202 · Structure no. 000000000120280

Built
1938
87 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
79
2022 count
Owner
County
County Highway Agency

About this bridge

King RD over Buck Creek is a concrete culvert carrying King RD over Buck Creek in Clayton County, Iowa. It was built in 1938, so it is 87 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 79 vehicles a day, projected to reach 79 by 2044. The structure is 23 ft (7 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesKing RD
CrossesBuck Creek
Location094033202
RouteCounty Highway 0
CountyClayton County
StateIowa
Coordinates42.91753, -91.23069
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.6 US tons
Inventory rating18.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic79 (2022)
Projected traffic79 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 King RD over Buck Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is King RD 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 King RD over Buck Creek carry?

About 79 vehicles per day (2022 count).

How long is King RD over Buck Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 31 ft wide.

Who owns King RD over Buck Creek?

It is owned by the County Highway Agency.