US Bridges

Ia 1 over Old Mans Crk E Ovrflw

Good

Johnson County, Iowa · 0.8 MI S of SR F52 · Structure no. 000000000701005

Built
2020
5 years old
Condition
Good
inspected January 2024
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
4,890
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 1 over Old Mans Crk E Ovrflw is a concrete culvert carrying Ia 1 over Old Mans Crk E Ovrflw in Johnson 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,890 vehicles a day, roughly 13% of them trucks, projected to reach 4,890 by 2044. The structure is 37 ft (11.4 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIa 1
CrossesOld Mans Crk E Ovrflw
Location0.8 MI S of SR F52
RouteState Highway 1
CountyJohnson County
StateIowa
Coordinates41.61195, -91.65121
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
Channel and channel protection9 ExcellentNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,890 (2022)
Projected traffic4,890 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Ia 1 over Old Mans Crk E Ovrflw built?

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

What condition is Ia 1 over Old Mans Crk E Ovrflw 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 January 2024.

How much traffic does Ia 1 over Old Mans Crk E Ovrflw carry?

About 4,890 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Ia 1 over Old Mans Crk E Ovrflw?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m).

Who owns Ia 1 over Old Mans Crk E Ovrflw?

It is owned by the State Highway Agency.