US Bridges

Ia 57 over Beaver Creek

Good

Butler County, Iowa · 0.3 Mi. W of W Jct. Ia 14 · Structure no. 000000000016411

Built
2003
22 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
301 ft
3 main spans
Daily traffic
2,480
2023 count
Owner
State
State Highway Agency

About this bridge

Ia 57 over Beaver Creek is a prestressed concrete stringer/multi-beam or girder carrying Ia 57 over Beaver Creek in Butler County, Iowa. It was built in 2003, so it is 22 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 2,480 vehicles a day, roughly 8% of them trucks, projected to reach 2,480 by 2043. The structure is 301 ft (91.7 m) long and 43 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIa 57
CrossesBeaver Creek
Location0.3 Mi. W of W Jct. Ia 14
RouteState Highway 57
StateIowa
Coordinates42.57752, -92.7967
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.7 US tons
Inventory rating42.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length301 ft (91.7 m)
Longest span106 ft (32.3 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,480 (2023)
Projected traffic2,480 by 2043
Trucks8%
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

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 57 over Beaver Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is Ia 57 over Beaver 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 February 2023.

How much traffic does Ia 57 over Beaver Creek carry?

About 2,480 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Ia 57 over Beaver Creek?

The structure is 301 ft (91.7 m) long with a longest span of 106 ft (32.3 m) and a deck 43 ft wide.

Who owns Ia 57 over Beaver Creek?

It is owned by the State Highway Agency.