Ia 5 over North Creek

Fair

Appanoose County, Iowa · 2.6 Mi. S of S.R. T20 · Structure no. 000000000013870

Built: 1950; 75 years old
Condition: Fair; inspected June 2024
Type: Frame; Steel Continuous
Length: 183 ft; 3 main spans
Daily traffic: 1,400; 2022 count
Owner: State; State Highway Agency

About this bridge

Ia 5 over North Creek is a steel continuous frame carrying Ia 5 over North Creek in Appanoose County, Iowa. It was built in 1950, so it is 75 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.

It carries about 1,400 vehicles a day, roughly 16% of them trucks, projected to reach 1,400 by 2044. The structure is 183 ft (55.8 m) long and 32 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

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CarriesIa 5

CrossesNorth Creek

Location2.6 Mi. S of S.R. T20

RouteState Highway 5

CountyAppanoose County

StateIowa

Coordinates40.61099, -92.96221

Functional classRural Minor Arterial

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	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	7 Good	Some minor problems.

Last inspectionJune 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

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

Deck geometry4: Meets minimum tolerable limits to be left in place as is

Waterway adequacy6: Equal to present minimum criteria

Approach roadway alignment7: Better than present minimum criteria

Operating rating39.6 US tons

Inventory rating23.8 US tons

Structure

Structure typeFrame

MaterialSteel Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadH 20

Structure length183 ft (55.8 m)

Longest span70 ft (21.3 m)

Deck width32 ft (9.8 m)

Roadway width26 ft (7.9 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2022)

Projected traffic1,400 by 2044

Trucks16%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed29.8 mi (48 km)

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency

Maintained byState Highway Agency

Historic statusEligible for the National Register of Historic Places

Work proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was Ia 5 over North Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Ia 5 over North 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 June 2024.

How much traffic does Ia 5 over North Creek carry?

About 1,400 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is Ia 5 over North Creek?

The structure is 183 ft (55.8 m) long with a longest span of 70 ft (21.3 m) and a deck 32 ft wide.

Who owns Ia 5 over North Creek?

It is owned by the State Highway Agency.