Local over Avery Creek

FairPosted for load

Monroe County, Iowa · 071160703 · Structure no. 000000000251720

Built: 1968; 57 years old
Condition: Fair; inspected December 2022
Type: Slab; Concrete Continuous
Length: 78 ft; 3 main spans
Daily traffic: 60; 2022 count
Owner: County; County Highway Agency

About this bridge

Local over Avery Creek is a concrete continuous slab carrying Local over Avery Creek in Monroe County, Iowa. It was built in 1968, so it is 57 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 60 vehicles a day, projected to reach 60 by 2043. The structure is 78 ft (23.8 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesLocal

CrossesAvery Creek

Location071160703

RouteCounty Highway 0

CountyMonroe County

StateIowa

Coordinates40.97121, -92.74141

Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Deck	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionDecember 2022

Inspection intervalevery 24 months

Operating statusPosted for load restriction

ScourScour critical; foundations unstable for calculated scour conditions

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating37.1 US tons

Inventory rating22.2 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadH 15

Structure length78 ft (23.8 m)

Longest span29 ft (8.8 m)

Deck width23 ft (6.9 m)

Roadway width20 ft (6.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2022)

Projected traffic60 by 2043

Trucks0%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed8.1 mi (13 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 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 Avery Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Local over Avery Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2022.

How much traffic does Local over Avery Creek carry?

About 60 vehicles per day (2022 count).

How long is Local over Avery Creek?

The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 23 ft wide.

Who owns Local over Avery Creek?

It is owned by the County Highway Agency.