US Bridges

Ia 175 over Mccandlesscleghorn Ditch

Good

Monona County, Iowa · 0.6 Mi. E. of I-29 · Structure no. 000000000036841

Built
2023
2 years old
Condition
Good
inspected August 2024
Type
Slab
Concrete Continuous
Length
101 ft
3 main spans
Daily traffic
5,300
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 175 over Mccandlesscleghorn Ditch is a concrete continuous slab carrying Ia 175 over Mccandlesscleghorn Ditch in Monona County, Iowa. It was built in 2023, so it is 2 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 5,300 vehicles a day, roughly 8% of them trucks, projected to reach 5,300 by 2044. The structure is 101 ft (30.7 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIa 175
CrossesMccandlesscleghorn Ditch
Location0.6 Mi. E. of I-29
RouteState Highway 175
StateIowa
Coordinates42.02689, -96.12073
Functional classRural Minor Arterial

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length101 ft (30.7 m)
Longest span39 ft (11.9 m)
Deck width61 ft (18.7 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,300 (2022)
Projected traffic5,300 by 2044
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Ia 175 over Mccandlesscleghorn Ditch built?

It was built in 2023, making it 2 years old in 2025.

What condition is Ia 175 over Mccandlesscleghorn 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 August 2024.

How much traffic does Ia 175 over Mccandlesscleghorn Ditch carry?

About 5,300 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is Ia 175 over Mccandlesscleghorn Ditch?

The structure is 101 ft (30.7 m) long with a longest span of 39 ft (11.9 m) and a deck 61 ft wide.

Who owns Ia 175 over Mccandlesscleghorn Ditch?

It is owned by the State Highway Agency.