US Bridges

US 30 over Yankee Run

Fair

Cedar County, Iowa · 3.6 Mi. E of SR X64 · Structure no. 000000000018290

Built
1955
70 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
50 ft
3 main spans
Daily traffic
2,790
2022 count
Owner
State
State Highway Agency

About this bridge

US 30 over Yankee Run is a concrete continuous culvert carrying US 30 over Yankee Run in Cedar County, Iowa. It was built in 1955, so it is 70 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 2,790 vehicles a day, roughly 20% of them trucks, projected to reach 2,790 by 2044. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS 30
CrossesYankee Run
Location3.6 Mi. E of SR X64
RouteU.S. Route 30
CountyCedar County
StateIowa
Coordinates41.87551, -90.98328
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length50 ft (15.2 m)
Longest span18 ft (5.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,790 (2022)
Projected traffic2,790 by 2044
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Yankee Run built?

It was built in 1955, making it 70 years old in 2025.

What condition is US 30 over Yankee Run 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 July 2024.

How much traffic does US 30 over Yankee Run carry?

About 2,790 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is US 30 over Yankee Run?

The structure is 50 ft (15.2 m) long with a longest span of 18 ft (5.5 m).

Who owns US 30 over Yankee Run?

It is owned by the State Highway Agency.