US Bridges

230th Ave over Bear Creek

Good

Wapello County, Iowa · 072153302 · Structure no. 000000000331661

Built
2019
6 years old
Condition
Good
inspected May 2022
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
45
2022 count
Owner
County
County Highway Agency

About this bridge

230th Ave over Bear Creek is a concrete continuous culvert carrying 230th Ave over Bear Creek in Wapello County, Iowa. It was built in 2019, so it is 6 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 45 vehicles a day, roughly 13% of them trucks, projected to reach 45 by 2043. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Carries230th Ave
CrossesBear Creek
Location072153302
RouteCounty Highway 0
StateIowa
Coordinates40.99762, -92.60117
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating49.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2022)
Projected traffic45 by 2043
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 230th Ave over Bear Creek built?

It was built in 2019, making it 6 years old in 2025.

What condition is 230th Ave over Bear Creek 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 2022.

How much traffic does 230th Ave over Bear Creek carry?

About 45 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is 230th Ave over Bear Creek?

The structure is 45 ft (13.7 m) long with a longest span of 14 ft (4.3 m).

Who owns 230th Ave over Bear Creek?

It is owned by the County Highway Agency.