US Bridges

US 30 over Yankee Run

Fair

Cedar County, Iowa · 2.4 Mi. W of Jct. SR Y14 · Structure no. 000000000018300

Built
1955
70 years old
Condition
Fair
inspected June 2024
Type
Slab
Concrete Continuous
Length
113 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 slab 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 113 ft (34.4 m) long and 35 ft wide. If it were closed, the detour would be 21.1 mi (34 km).

Location

Open in Google Maps
CarriesUS 30
CrossesYankee Run
Location2.4 Mi. W of Jct. SR Y14
RouteU.S. Route 30
CountyCedar County
StateIowa
Coordinates41.87157, -90.96732
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.9 US tons
Inventory rating39.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length113 ft (34.4 m)
Longest span42 ft (12.8 m)
Deck width35 ft (10.6 m)
Roadway width28 ft (8.5 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 closed21.1 mi (34 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 June 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 113 ft (34.4 m) long with a longest span of 42 ft (12.8 m) and a deck 35 ft wide.

Who owns US 30 over Yankee Run?

It is owned by the State Highway Agency.