US Bridges

West ST over Mccandles Ditch

Good

Monona County, Iowa · 085463507 · Structure no. 000000000501111

Built
2020
5 years old
Condition
Good
inspected May 2023
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
56
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

West ST over Mccandles Ditch is a concrete continuous slab carrying West ST over Mccandles Ditch in Monona County, Iowa. It was built in 2020, so it is 5 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 56 vehicles a day, projected to reach 56 by 2043. The structure is 93 ft (28.3 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesWest ST
CrossesMccandles Ditch
Location085463507
RouteCity Street 0
CountyMonona County
StateIowa
Coordinates42.12934, -96.15563
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length93 ft (28.3 m)
Longest span35 ft (10.7 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic56 (2022)
Projected traffic56 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal 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 West ST over Mccandles Ditch built?

It was built in 2020, making it 5 years old in 2025.

What condition is West ST over Mccandles Ditch 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 May 2023.

How much traffic does West ST over Mccandles Ditch carry?

About 56 vehicles per day (2022 count).

How long is West ST over Mccandles Ditch?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns West ST over Mccandles Ditch?

It is owned by the City or Municipal Highway Agency and maintained by the County Highway Agency.