US Bridges

US 6 over Little Keg Creek

Fair

Pottawattamie County, Iowa · 0.2 Mi. W of SR G-60 · Structure no. 000000000043220

Built
1968
57 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
4,190
2022 count
Owner
State
State Highway Agency

About this bridge

US 6 over Little Keg Creek is a concrete continuous culvert carrying US 6 over Little Keg Creek in Pottawattamie County, Iowa. It was built in 1968, so it is 57 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 4,190 vehicles a day, roughly 10% of them trucks, projected to reach 4,190 by 2042. The structure is 27 ft (8.2 m) long.

CarriesUS 6
CrossesLittle Keg Creek
Location0.2 Mi. W of SR G-60
RouteU.S. Route 6
StateIowa
Coordinates41.28842, -95.69293
Functional classRural Minor Arterial

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 inspectionMay 2023
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 alignment7: Better than present minimum criteria
Operating rating48.6 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,190 (2022)
Projected traffic4,190 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 6 over Little Keg Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is US 6 over Little Keg 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 May 2023.

How much traffic does US 6 over Little Keg Creek carry?

About 4,190 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is US 6 over Little Keg Creek?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns US 6 over Little Keg Creek?

It is owned by the State Highway Agency.