US Bridges

Local over South Avery Creek

Good

Wapello County, Iowa · 072151503 · Structure no. 000000000331585

Built
1930
95 years old
Condition
Good
inspected May 2023
Type
Culvert
Steel
Length
71 ft
1 main span
Daily traffic
11
2022 count
Owner
County
County Highway Agency

About this bridge

Local over South Avery Creek is a steel culvert carrying Local over South Avery Creek in Wapello County, Iowa. It was built in 1930, so it is 95 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: open, temporary structure in place while original is closed.

It carries about 11 vehicles a day, projected to reach 11 by 2043. The structure is 71 ft (21.6 m) long and 16 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesLocal
CrossesSouth Avery Creek
Location072151503
RouteCounty Highway 0
StateIowa
Coordinates41.03804, -92.56949
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, temporary structure in place while original is closed
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating0 US tons
Inventory rating0 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length71 ft (21.6 m)
Longest span70 ft (21.3 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11 (2022)
Projected traffic11 by 2043
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over South Avery Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is Local over South Avery 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 2023.

How much traffic does Local over South Avery Creek carry?

About 11 vehicles per day (2022 count).

How long is Local over South Avery Creek?

The structure is 71 ft (21.6 m) long with a longest span of 70 ft (21.3 m) and a deck 16 ft wide.

Who owns Local over South Avery Creek?

It is owned by the County Highway Agency.