US Bridges

Ia 3 over Brook Creek

Good

Buena Vista County, Iowa · 6.1 MI W of US 71 · Structure no. 000000000016201

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
110 ft
3 main spans
Daily traffic
1,930
2022 count
Owner
State
State Highway Agency

About this bridge

Ia 3 over Brook Creek is a concrete continuous slab carrying Ia 3 over Brook Creek in Buena Vista County, Iowa. It was built in 2010, so it is 15 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,930 vehicles a day, roughly 32% of them trucks, projected to reach 1,930 by 2042. The structure is 110 ft (33.5 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIa 3
CrossesBrook Creek
Location6.1 MI W of US 71
RouteState Highway 3
StateIowa
Coordinates42.74884, -95.27228
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length110 ft (33.5 m)
Longest span43 ft (13.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,930 (2022)
Projected traffic1,930 by 2042
Trucks32%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ia 3 over Brook Creek built?

It was built in 2010, making it 15 years old in 2025.

What condition is Ia 3 over Brook 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 October 2023.

How much traffic does Ia 3 over Brook Creek carry?

About 1,930 vehicles per day (2022 count), of which roughly 32% are trucks.

How long is Ia 3 over Brook Creek?

The structure is 110 ft (33.5 m) long with a longest span of 43 ft (13.1 m) and a deck 47 ft wide.

Who owns Ia 3 over Brook Creek?

It is owned by the State Highway Agency.