Ia 2 over Brush Creek

Fair

Decatur County, Iowa · 3.6 Mi. W of Jct. I-35 · Structure no. 000000000022681

Built: 1985; 40 years old
Condition: Fair; inspected July 2024
Type: Slab; Concrete Continuous
Length: 93 ft; 3 main spans
Daily traffic: 1,350; 2022 count
Owner: State; State Highway Agency

About this bridge

Ia 2 over Brush Creek is a concrete continuous slab carrying Ia 2 over Brush Creek in Decatur County, Iowa. It was built in 1985, so it is 40 years old, younger 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 6 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 1,350 vehicles a day, roughly 20% of them trucks, projected to reach 1,350 by 2044. The structure is 93 ft (28.3 m) long and 43 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

Location

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CarriesIa 2

CrossesBrush Creek

Location3.6 Mi. W of Jct. I-35

RouteState Highway 2

CountyDecatur County

StateIowa

Coordinates40.73186, -93.90913

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	6 Satisfactory	Structural elements show some minor deterioration.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	7 Good	Some minor problems.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionJuly 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation6: Equal to present minimum criteria

Deck geometry7: Better than present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating88.2 US tons

Inventory rating52.9 US tons

Structure

Structure typeSlab

MaterialConcrete Continuous

DeckConcrete, cast-in-place

Main spans3

Design loadHS 20

Structure length93 ft (28.3 m)

Longest span35 ft (10.7 m)

Deck width43 ft (13.2 m)

Roadway width40 ft (12.2 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,350 (2022)

Projected traffic1,350 by 2044

Trucks20%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed26.7 mi (43 km)

TollOn a free road

National Highway SystemNo

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 2 over Brush Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Ia 2 over Brush 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 July 2024.

How much traffic does Ia 2 over Brush Creek carry?

About 1,350 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Ia 2 over Brush Creek?

The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 43 ft wide.

Who owns Ia 2 over Brush Creek?

It is owned by the State Highway Agency.