US Bridges

Monroe Ave. over Sibles Creek

FairPosted for load

Cedar County, Iowa · 082020702 · Structure no. 000000000364485

Built
2003
22 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
60
2022 count
Owner
County
County Highway Agency

About this bridge

Monroe Ave. over Sibles Creek is a steel stringer/multi-beam or girder carrying Monroe Ave. over Sibles Creek in Cedar County, Iowa. It was built in 2003, so it is 22 years old, younger 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. Its operating status is: posted for other load-capacity restriction.

It carries about 60 vehicles a day, projected to reach 60 by 2044. The structure is 24 ft (7.3 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMonroe Ave.
CrossesSibles Creek
Location082020702
RouteCounty Highway 0
StateIowa
Coordinates41.93147, -91.13221
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusPosted for other load-capacity restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating38.1 US tons
Inventory rating27.3 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span23 ft (7 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)
Projected traffic60 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Monroe Ave. over Sibles Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Monroe Ave. over Sibles 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 2024.

How much traffic does Monroe Ave. over Sibles Creek carry?

About 60 vehicles per day (2022 count).

How long is Monroe Ave. over Sibles Creek?

The structure is 24 ft (7.3 m) long with a longest span of 23 ft (7 m) and a deck 26 ft wide.

Who owns Monroe Ave. over Sibles Creek?

It is owned by the County Highway Agency.