US Bridges

S Monroe Ave over Willow Creek

Fair

Cerro Gordo County, Iowa · 000000000 · Structure no. 000000000008100

Built
1963
62 years old, rebuilt 1979
Condition
Fair
inspected January 2024
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
7,094
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

S Monroe Ave over Willow Creek is a concrete continuous slab carrying S Monroe Ave over Willow Creek in Cerro Gordo County, Iowa. It was built in 1963 and reconstructed in 1979, so it is 62 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 5 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 7,094 vehicles a day, projected to reach 7,094 by 2044. The structure is 110 ft (33.5 m) long and 52 ft wide.

CarriesS Monroe Ave
CrossesWillow Creek
Location000000000
RouteCity Street 0
StateIowa
Coordinates43.15156, -93.20862
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.2 US tons
Inventory rating30.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length110 ft (33.5 m)
Longest span43 ft (13.1 m)
Deck width52 ft (15.8 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,094 (2022)
Projected traffic7,094 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 S Monroe Ave over Willow Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1979.

What condition is S Monroe Ave over Willow 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 January 2024.

How much traffic does S Monroe Ave over Willow Creek carry?

About 7,094 vehicles per day (2022 count).

How long is S Monroe Ave over Willow Creek?

The structure is 110 ft (33.5 m) long with a longest span of 43 ft (13.1 m) and a deck 52 ft wide.

Who owns S Monroe Ave over Willow Creek?

It is owned by the City or Municipal Highway Agency.