US Bridges

US 169 over Carrs Creek

Fair

Madison County, Iowa · 2.7 Mi. N of Jct. SR H17 · Structure no. 000000000034711

Built
1974
51 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
27 ft
2 main spans
Daily traffic
1,230
2022 count
Owner
State
State Highway Agency

About this bridge

US 169 over Carrs Creek is a concrete continuous culvert carrying US 169 over Carrs Creek in Madison County, Iowa. It was built in 1974, so it is 51 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 1,230 vehicles a day, roughly 17% of them trucks, projected to reach 1,230 by 2044. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 24.9 mi (40 km).

CarriesUS 169
CrossesCarrs Creek
Location2.7 Mi. N of Jct. SR H17
RouteU.S. Route 169
StateIowa
Coordinates41.16556, -94.04772
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 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 rating99.8 US tons
Inventory rating79.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,230 (2022)
Projected traffic1,230 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 km)
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 169 over Carrs Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is US 169 over Carrs 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 February 2024.

How much traffic does US 169 over Carrs Creek carry?

About 1,230 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is US 169 over Carrs Creek?

The structure is 27 ft (8.2 m) long with a longest span of 14 ft (4.3 m).

Who owns US 169 over Carrs Creek?

It is owned by the State Highway Agency.