Bush RD over Deep Creek

Fair

Clayton County, Iowa · 093063103 · Structure no. 000000000120131

Built: 1978; 47 years old
Condition: Fair; inspected October 2024
Type: Slab; Concrete Continuous
Length: 103 ft; 3 main spans
Daily traffic: 275; 2022 count
Owner: County; County Highway Agency

About this bridge

Bush RD over Deep Creek is a concrete continuous slab carrying Bush RD over Deep Creek in Clayton 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 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 275 vehicles a day, roughly 20% of them trucks, projected to reach 275 by 2044. The structure is 103 ft (31.4 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesBush RD

CrossesDeep Creek

Location093063103

RouteCounty Highway 0

CountyClayton County

StateIowa

Coordinates42.82179, -91.60324

Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection	7 Good	Some minor problems.

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 geometry6: Equal to present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating61 US tons

Inventory rating38.1 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadH 20

Structure length103 ft (31.4 m)

Longest span39 ft (11.9 m)

Deck width33 ft (10.1 m)

Roadway width30 ft (9.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2022)

Projected traffic275 by 2044

Trucks20%

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 Bush RD over Deep Creek built?

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

What condition is Bush RD over Deep 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 Bush RD over Deep Creek carry?

About 275 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Bush RD over Deep Creek?

The structure is 103 ft (31.4 m) long with a longest span of 39 ft (11.9 m) and a deck 33 ft wide.

Who owns Bush RD over Deep Creek?

It is owned by the County Highway Agency.