US 34 over Church Creek

Good

Jefferson County, Iowa · 072102900 · Structure no. 000000000031311

Built: 2009; 16 years old
Condition: Good; inspected February 2024
Type: Slab; Concrete Continuous
Length: 133 ft; 3 main spans
Daily traffic: 1,430; 2022 count
Owner: County; County Highway Agency

About this bridge

US 34 over Church Creek is a concrete continuous slab carrying US 34 over Church Creek in Jefferson County, Iowa. It was built in 2009, so it is 16 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,430 vehicles a day, roughly 7% of them trucks, projected to reach 1,430 by 2044. The structure is 133 ft (40.5 m) long and 35 ft wide. If it were closed, the detour would be 28 mi (45 km).

Location

Open in Google Maps

CarriesUS 34

CrossesChurch Creek

Location072102900

RouteCounty Highway 0

CountyJefferson County

StateIowa

Coordinates41.00616, -92.03648

Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

Component	Rating	Meaning
Deck	8 Very Good	No problems noted.
Superstructure	8 Very Good	No problems noted.
Substructure	8 Very Good	No problems noted.
Channel and channel protection	8 Very Good	No problems noted.

Last inspectionFebruary 2024

Inspection intervalevery 48 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation8: Equal to present desirable criteria

Deck geometry5: 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 rating79 US tons

Inventory rating47.3 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHL 93

Structure length133 ft (40.5 m)

Longest span51 ft (15.5 m)

Deck width35 ft (10.7 m)

Roadway width32 ft (9.8 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,430 (2022)

Projected traffic1,430 by 2044

Trucks7%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed28 mi (45 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 proposedOther structural work, including hydraulic replacements

Estimated improvement cost—

NavigationNot applicable (no waterway)

Frequently asked questions

When was US 34 over Church Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is US 34 over Church Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does US 34 over Church Creek carry?

About 1,430 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US 34 over Church Creek?

The structure is 133 ft (40.5 m) long with a longest span of 51 ft (15.5 m) and a deck 35 ft wide.

Who owns US 34 over Church Creek?

It is owned by the County Highway Agency.