US Bridges

US 169 over Cedar Creek

Good

Madison County, Iowa · 0.9 Mi. N of N JCT Ia 92 · Structure no. 000000000034771

Built
1990
35 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
159 ft
3 main spans
Daily traffic
5,900
2022 count
Owner
State
State Highway Agency

About this bridge

US 169 over Cedar Creek is a prestressed concrete stringer/multi-beam or girder carrying US 169 over Cedar Creek in Madison County, Iowa. It was built in 1990, so it is 35 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,900 vehicles a day, roughly 6% of them trucks, projected to reach 5,900 by 2044. The structure is 159 ft (48.5 m) long and 43 ft wide. If it were closed, the detour would be 29.2 mi (47 km).

CarriesUS 169
CrossesCedar Creek
Location0.9 Mi. N of N JCT Ia 92
RouteU.S. Route 169
StateIowa
Coordinates41.35786, -94.01348
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.1 US tons
Inventory rating45.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length159 ft (48.5 m)
Longest span56 ft (17.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2022)
Projected traffic5,900 by 2044
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.2 mi (47 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 169 over Cedar Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is US 169 over Cedar 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 September 2024.

How much traffic does US 169 over Cedar Creek carry?

About 5,900 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is US 169 over Cedar Creek?

The structure is 159 ft (48.5 m) long with a longest span of 56 ft (17.1 m) and a deck 43 ft wide.

Who owns US 169 over Cedar Creek?

It is owned by the State Highway Agency.